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Finding the Fourth Proportional to 40,229.70, 60,344.70 and 16,839.73

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Solution

The fourth proportional to 40,229.70, 60,344.70 and 16,839.73 is: 25,259.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,229.70 : 60,344.70 = 16,839.73 : x
  2. Step 2: Convert to fraction form
    40,229.70/60,344.70 = 16,839.73/x
  3. Step 3: Cross multiply
    40,229.70x = 60,344.70 × 16,839.73
  4. Step 4: Simplify right side
    40,229.70x = 1,016,188,454.93
  5. Step 5: Solve for x
    x = 1,016,188,454.93/40,229.70
  6. Step 6: Final answer
    x = 25,259.66

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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.