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Finding the Fourth Proportional to 54,002.60, 80,939.10 and 27,693.80

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Solution

The fourth proportional to 54,002.60, 80,939.10 and 27,693.80 is: 41,507.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,002.60 : 80,939.10 = 27,693.80 : x
  2. Step 2: Convert to fraction form
    54,002.60/80,939.10 = 27,693.80/x
  3. Step 3: Cross multiply
    54,002.60x = 80,939.10 × 27,693.80
  4. Step 4: Simplify right side
    54,002.60x = 2,241,511,247.58
  5. Step 5: Solve for x
    x = 2,241,511,247.58/54,002.60
  6. Step 6: Final answer
    x = 41,507.47

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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.