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Finding the Fourth Proportional to 40,462.80, 60,694.20 and 36,234.60

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Solution

The fourth proportional to 40,462.80, 60,694.20 and 36,234.60 is: 54,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,462.80 : 60,694.20 = 36,234.60 : x
  2. Step 2: Convert to fraction form
    40,462.80/60,694.20 = 36,234.60/x
  3. Step 3: Cross multiply
    40,462.80x = 60,694.20 × 36,234.60
  4. Step 4: Simplify right side
    40,462.80x = 2,199,230,059.32
  5. Step 5: Solve for x
    x = 2,199,230,059.32/40,462.80
  6. Step 6: Final answer
    x = 54,351.90

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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.