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Finding the Fourth Proportional to 71,874.92, 107,833.18 and 29,747.22

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Solution

The fourth proportional to 71,874.92, 107,833.18 and 29,747.22 is: 44,629.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,874.92 : 107,833.18 = 29,747.22 : x
  2. Step 2: Convert to fraction form
    71,874.92/107,833.18 = 29,747.22/x
  3. Step 3: Cross multiply
    71,874.92x = 107,833.18 × 29,747.22
  4. Step 4: Simplify right side
    71,874.92x = 3,207,737,328.76
  5. Step 5: Solve for x
    x = 3,207,737,328.76/71,874.92
  6. Step 6: Final answer
    x = 44,629.44

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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.