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Finding the Fourth Proportional to 58,456.80, 87,652.80 and 25,171.20

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Solution

The fourth proportional to 58,456.80, 87,652.80 and 25,171.20 is: 37,742.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,456.80 : 87,652.80 = 25,171.20 : x
  2. Step 2: Convert to fraction form
    58,456.80/87,652.80 = 25,171.20/x
  3. Step 3: Cross multiply
    58,456.80x = 87,652.80 × 25,171.20
  4. Step 4: Simplify right side
    58,456.80x = 2,206,326,159.36
  5. Step 5: Solve for x
    x = 2,206,326,159.36/58,456.80
  6. Step 6: Final answer
    x = 37,742.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.