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Finding the Fourth Proportional to 66,241.92, 91,414.24 and 36,027.52

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Solution

The fourth proportional to 66,241.92, 91,414.24 and 36,027.52 is: 49,718.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,241.92 : 91,414.24 = 36,027.52 : x
  2. Step 2: Convert to fraction form
    66,241.92/91,414.24 = 36,027.52/x
  3. Step 3: Cross multiply
    66,241.92x = 91,414.24 × 36,027.52
  4. Step 4: Simplify right side
    66,241.92x = 3,293,428,359.88
  5. Step 5: Solve for x
    x = 3,293,428,359.88/66,241.92
  6. Step 6: Final answer
    x = 49,718.19

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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.