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Finding the Fourth Proportional to 63,637, 95,455.71 and 21,517.42

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Solution

The fourth proportional to 63,637, 95,455.71 and 21,517.42 is: 32,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,637 : 95,455.71 = 21,517.42 : x
  2. Step 2: Convert to fraction form
    63,637/95,455.71 = 21,517.42/x
  3. Step 3: Cross multiply
    63,637x = 95,455.71 × 21,517.42
  4. Step 4: Simplify right side
    63,637x = 2,053,960,603.47
  5. Step 5: Solve for x
    x = 2,053,960,603.47/63,637
  6. Step 6: Final answer
    x = 32,276.20

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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.