Finding the Fourth Proportional to 75,472.53, 113,229.21 and 25,552.62
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Solution
The fourth proportional to 75,472.53, 113,229.21 and 25,552.62 is: 38,335.84
Step by Step Solution
- Step 1: Write the proportion equation
75,472.53 : 113,229.21 = 25,552.62 : x - Step 2: Convert to fraction form
75,472.53/113,229.21 = 25,552.62/x - Step 3: Cross multiply
75,472.53x = 113,229.21 × 25,552.62 - Step 4: Simplify right side
75,472.53x = 2,893,302,976.03 - Step 5: Solve for x
x = 2,893,302,976.03/75,472.53 - Step 6: Final answer
x = 38,335.84
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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.