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Finding the Fourth Proportional to 63,890.91, 88,167.37 and 36,671.47

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Solution

The fourth proportional to 63,890.91, 88,167.37 and 36,671.47 is: 50,605.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,890.91 : 88,167.37 = 36,671.47 : x
  2. Step 2: Convert to fraction form
    63,890.91/88,167.37 = 36,671.47/x
  3. Step 3: Cross multiply
    63,890.91x = 88,167.37 × 36,671.47
  4. Step 4: Simplify right side
    63,890.91x = 3,233,227,063.93
  5. Step 5: Solve for x
    x = 3,233,227,063.93/63,890.91
  6. Step 6: Final answer
    x = 50,605.43

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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.