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Finding the Fourth Proportional to 71,557.67, 107,385.72 and 24,810.55

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Solution

The fourth proportional to 71,557.67, 107,385.72 and 24,810.55 is: 37,232.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,557.67 : 107,385.72 = 24,810.55 : x
  2. Step 2: Convert to fraction form
    71,557.67/107,385.72 = 24,810.55/x
  3. Step 3: Cross multiply
    71,557.67x = 107,385.72 × 24,810.55
  4. Step 4: Simplify right side
    71,557.67x = 2,664,298,114.36
  5. Step 5: Solve for x
    x = 2,664,298,114.36/71,557.67
  6. Step 6: Final answer
    x = 37,232.88

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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.