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Chapter 2: Q57. (page 142)

Solve each proportion. If necessary, round to the nearest hundredth.

49=a45

Short Answer

Expert verified

The solution of the proportion is a=20.

Step by step solution

01

Step 1. Given information.

We have a proportion is49=a45.

To find the solution of the given proportion and then round it to the nearest hundredth.

02

Step 2. Apply concept.

We apply the cross-product concept and solve the given proportion.

Asxy=45鈬�5x=4y

03

Step 3. Calculation.

Solving the given proportion using the above rule.

49=a45鈬�9a=4脳45鈬�a=4脳459鈬�a=45鈬�a=20

Therefore, the solution of the proportion is a=20.

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