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Finding the Fourth Proportional to 57,371.76, 86,027.93 and 25,754.59

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Solution

The fourth proportional to 57,371.76, 86,027.93 and 25,754.59 is: 38,618.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,371.76 : 86,027.93 = 25,754.59 : x
  2. Step 2: Convert to fraction form
    57,371.76/86,027.93 = 25,754.59/x
  3. Step 3: Cross multiply
    57,371.76x = 86,027.93 × 25,754.59
  4. Step 4: Simplify right side
    57,371.76x = 2,215,614,065.70
  5. Step 5: Solve for x
    x = 2,215,614,065.70/57,371.76
  6. Step 6: Final answer
    x = 38,618.55

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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.