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Chapter 7: Q8. (page 344)

Solve the proportion.

7.5x=58

Short Answer

Expert verified

The value of xin the given proportion is 12.

Step by step solution

01

Step 1. Given Information.

The proportion is 7.5x=58.

02

Step 2. Formula used.

Cross-product property:

If ab=cd, where b鈮�0and d鈮�0, then ad=bc.

03

Step 3. Calculation.

Consider the proportion given:

7.5x=58

Use cross product property.

7.5鈰�8=5鈰�x60=5x[multiply]605=5x5[divideeachsideby5]12=x[simplify]

Hence,

7.512=58

04

Step 4. Conclusion.

The value of x in the given proportion is 12.

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