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Finding the Fourth Proportional to 63,548.73, 87,698.42 and 34,869.87

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Solution

The fourth proportional to 63,548.73, 87,698.42 and 34,869.87 is: 48,121.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,548.73 : 87,698.42 = 34,869.87 : x
  2. Step 2: Convert to fraction form
    63,548.73/87,698.42 = 34,869.87/x
  3. Step 3: Cross multiply
    63,548.73x = 87,698.42 × 34,869.87
  4. Step 4: Simplify right side
    63,548.73x = 3,058,032,591.78
  5. Step 5: Solve for x
    x = 3,058,032,591.78/63,548.73
  6. Step 6: Final answer
    x = 48,121.07

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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.