Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 5 - Ratio and Proportion - 5.4 Solving Problems - 5.4 Exercises - Page 356: 15



Work Step by Step

We are given the proportion $\frac{99}{55}=\frac{44}{x}$. We can set the cross products equal to each other and solve for the unknown variable. $99\times x=55\times 44$ $99x=2420$ Divide both sides by 99. $x\approx24.4$
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