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Finding the Fourth Proportional to 58,691.79, 80,972.60 and 43,414.92

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Solution

The fourth proportional to 58,691.79, 80,972.60 and 43,414.92 is: 59,896.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,691.79 : 80,972.60 = 43,414.92 : x
  2. Step 2: Convert to fraction form
    58,691.79/80,972.60 = 43,414.92/x
  3. Step 3: Cross multiply
    58,691.79x = 80,972.60 × 43,414.92
  4. Step 4: Simplify right side
    58,691.79x = 3,515,418,734.12
  5. Step 5: Solve for x
    x = 3,515,418,734.12/58,691.79
  6. Step 6: Final answer
    x = 59,896.26

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1.5x scale

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.