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Finding the Fourth Proportional to 71,520.89, 107,281.44 and 24,773.76

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Solution

The fourth proportional to 71,520.89, 107,281.44 and 24,773.76 is: 37,160.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,520.89 : 107,281.44 = 24,773.76 : x
  2. Step 2: Convert to fraction form
    71,520.89/107,281.44 = 24,773.76/x
  3. Step 3: Cross multiply
    71,520.89x = 107,281.44 × 24,773.76
  4. Step 4: Simplify right side
    71,520.89x = 2,657,764,647.01
  5. Step 5: Solve for x
    x = 2,657,764,647.01/71,520.89
  6. Step 6: Final answer
    x = 37,160.68

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Similar ratio
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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.