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Finding the Fourth Proportional to 62,571.93, 93,856.90 and 15,187.41

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Solution

The fourth proportional to 62,571.93, 93,856.90 and 15,187.41 is: 22,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,571.93 : 93,856.90 = 15,187.41 : x
  2. Step 2: Convert to fraction form
    62,571.93/93,856.90 = 15,187.41/x
  3. Step 3: Cross multiply
    62,571.93x = 93,856.90 × 15,187.41
  4. Step 4: Simplify right side
    62,571.93x = 1,425,443,439.66
  5. Step 5: Solve for x
    x = 1,425,443,439.66/62,571.93
  6. Step 6: Final answer
    x = 22,780.88

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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.