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Finding the Fourth Proportional to 44,766.60, 67,149.90 and 21,059.43

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Solution

The fourth proportional to 44,766.60, 67,149.90 and 21,059.43 is: 31,589.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,766.60 : 67,149.90 = 21,059.43 : x
  2. Step 2: Convert to fraction form
    44,766.60/67,149.90 = 21,059.43/x
  3. Step 3: Cross multiply
    44,766.60x = 67,149.90 × 21,059.43
  4. Step 4: Simplify right side
    44,766.60x = 1,414,138,618.56
  5. Step 5: Solve for x
    x = 1,414,138,618.56/44,766.60
  6. Step 6: Final answer
    x = 31,589.15

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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.