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Finding the Fourth Proportional to 40,474.80, 60,685.80 and 36,327.60

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Solution

The fourth proportional to 40,474.80, 60,685.80 and 36,327.60 is: 54,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,474.80 : 60,685.80 = 36,327.60 : x
  2. Step 2: Convert to fraction form
    40,474.80/60,685.80 = 36,327.60/x
  3. Step 3: Cross multiply
    40,474.80x = 60,685.80 × 36,327.60
  4. Step 4: Simplify right side
    40,474.80x = 2,204,569,468.08
  5. Step 5: Solve for x
    x = 2,204,569,468.08/40,474.80
  6. Step 6: Final answer
    x = 54,467.71

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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.