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Finding the Fourth Proportional to 63,372.12, 87,447.54 and 37,873.41

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Solution

The fourth proportional to 63,372.12, 87,447.54 and 37,873.41 is: 52,261.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,372.12 : 87,447.54 = 37,873.41 : x
  2. Step 2: Convert to fraction form
    63,372.12/87,447.54 = 37,873.41/x
  3. Step 3: Cross multiply
    63,372.12x = 87,447.54 × 37,873.41
  4. Step 4: Simplify right side
    63,372.12x = 3,311,936,535.91
  5. Step 5: Solve for x
    x = 3,311,936,535.91/63,372.12
  6. Step 6: Final answer
    x = 52,261.73

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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.