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Finding the Fourth Proportional to 63,618.66, 95,418.27 and 16,871.13

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Solution

The fourth proportional to 63,618.66, 95,418.27 and 16,871.13 is: 25,304.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,618.66 : 95,418.27 = 16,871.13 : x
  2. Step 2: Convert to fraction form
    63,618.66/95,418.27 = 16,871.13/x
  3. Step 3: Cross multiply
    63,618.66x = 95,418.27 × 16,871.13
  4. Step 4: Simplify right side
    63,618.66x = 1,609,814,037.55
  5. Step 5: Solve for x
    x = 1,609,814,037.55/63,618.66
  6. Step 6: Final answer
    x = 25,304.12

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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.