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Finding the Fourth Proportional to 41,394.76, 61,791.61 and 38,310.92

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Solution

The fourth proportional to 41,394.76, 61,791.61 and 38,310.92 is: 57,188.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,394.76 : 61,791.61 = 38,310.92 : x
  2. Step 2: Convert to fraction form
    41,394.76/61,791.61 = 38,310.92/x
  3. Step 3: Cross multiply
    41,394.76x = 61,791.61 × 38,310.92
  4. Step 4: Simplify right side
    41,394.76x = 2,367,293,427.38
  5. Step 5: Solve for x
    x = 2,367,293,427.38/41,394.76
  6. Step 6: Final answer
    x = 57,188.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.