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Finding the Fourth Proportional to 71,387.75, 107,060.81 and 23,997.49

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Solution

The fourth proportional to 71,387.75, 107,060.81 and 23,997.49 is: 35,989.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,387.75 : 107,060.81 = 23,997.49 : x
  2. Step 2: Convert to fraction form
    71,387.75/107,060.81 = 23,997.49/x
  3. Step 3: Cross multiply
    71,387.75x = 107,060.81 × 23,997.49
  4. Step 4: Simplify right side
    71,387.75x = 2,569,190,329.73
  5. Step 5: Solve for x
    x = 2,569,190,329.73/71,387.75
  6. Step 6: Final answer
    x = 35,989.23

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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.