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Finding the Fourth Proportional to 71,997.68, 108,044.73 and 29,877.80

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Solution

The fourth proportional to 71,997.68, 108,044.73 and 29,877.80 is: 44,836.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,997.68 : 108,044.73 = 29,877.80 : x
  2. Step 2: Convert to fraction form
    71,997.68/108,044.73 = 29,877.80/x
  3. Step 3: Cross multiply
    71,997.68x = 108,044.73 × 29,877.80
  4. Step 4: Simplify right side
    71,997.68x = 3,228,139,104.11
  5. Step 5: Solve for x
    x = 3,228,139,104.11/71,997.68
  6. Step 6: Final answer
    x = 44,836.71

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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.