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Finding the Fourth Proportional to 71,381.52, 107,074.02 and 23,997.30

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Solution

The fourth proportional to 71,381.52, 107,074.02 and 23,997.30 is: 35,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,381.52 : 107,074.02 = 23,997.30 : x
  2. Step 2: Convert to fraction form
    71,381.52/107,074.02 = 23,997.30/x
  3. Step 3: Cross multiply
    71,381.52x = 107,074.02 × 23,997.30
  4. Step 4: Simplify right side
    71,381.52x = 2,569,487,380.15
  5. Step 5: Solve for x
    x = 2,569,487,380.15/71,381.52
  6. Step 6: Final answer
    x = 35,996.53

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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.