Finding the Fourth Proportional to 71,695.92, 107,543.86 and 29,599.80
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Solution
The fourth proportional to 71,695.92, 107,543.86 and 29,599.80 is: 44,399.69
Step by Step Solution
- Step 1: Write the proportion equation
71,695.92 : 107,543.86 = 29,599.80 : x - Step 2: Convert to fraction form
71,695.92/107,543.86 = 29,599.80/x - Step 3: Cross multiply
71,695.92x = 107,543.86 × 29,599.80 - Step 4: Simplify right side
71,695.92x = 3,183,276,747.23 - Step 5: Solve for x
x = 3,183,276,747.23/71,695.92 - Step 6: Final answer
x = 44,399.69
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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.