Finding the Fourth Proportional to 75,417.99, 113,132.49 and 25,481.49
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Solution
The fourth proportional to 75,417.99, 113,132.49 and 25,481.49 is: 38,224.09
Step by Step Solution
- Step 1: Write the proportion equation
75,417.99 : 113,132.49 = 25,481.49 : x - Step 2: Convert to fraction form
75,417.99/113,132.49 = 25,481.49/x - Step 3: Cross multiply
75,417.99x = 113,132.49 × 25,481.49 - Step 4: Simplify right side
75,417.99x = 2,882,784,412.61 - Step 5: Solve for x
x = 2,882,784,412.61/75,417.99 - Step 6: Final answer
x = 38,224.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.