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Finding the Fourth Proportional to 71,592.46, 98,791.82 and 41,379.74

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Solution

The fourth proportional to 71,592.46, 98,791.82 and 41,379.74 is: 57,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,592.46 : 98,791.82 = 41,379.74 : x
  2. Step 2: Convert to fraction form
    71,592.46/98,791.82 = 41,379.74/x
  3. Step 3: Cross multiply
    71,592.46x = 98,791.82 × 41,379.74
  4. Step 4: Simplify right side
    71,592.46x = 4,087,979,928.36
  5. Step 5: Solve for x
    x = 4,087,979,928.36/71,592.46
  6. Step 6: Final answer
    x = 57,100.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.