Finding the Fourth Proportional to 71,184.74, 106,786.92 and 24,431.54
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Solution
The fourth proportional to 71,184.74, 106,786.92 and 24,431.54 is: 36,650.68
Step by Step Solution
- Step 1: Write the proportion equation
71,184.74 : 106,786.92 = 24,431.54 : x - Step 2: Convert to fraction form
71,184.74/106,786.92 = 24,431.54/x - Step 3: Cross multiply
71,184.74x = 106,786.92 × 24,431.54 - Step 4: Simplify right side
71,184.74x = 2,608,968,907.46 - Step 5: Solve for x
x = 2,608,968,907.46/71,184.74 - Step 6: Final answer
x = 36,650.68
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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.