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Finding the Fourth Proportional to 58,548.85, 80,797.97 and 31,691.88

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Solution

The fourth proportional to 58,548.85, 80,797.97 and 31,691.88 is: 43,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,548.85 : 80,797.97 = 31,691.88 : x
  2. Step 2: Convert to fraction form
    58,548.85/80,797.97 = 31,691.88/x
  3. Step 3: Cross multiply
    58,548.85x = 80,797.97 × 31,691.88
  4. Step 4: Simplify right side
    58,548.85x = 2,560,639,648.71
  5. Step 5: Solve for x
    x = 2,560,639,648.71/58,548.85
  6. Step 6: Final answer
    x = 43,735.10

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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.