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Finding the Fourth Proportional to 16,766.82, 25,129.17 and 14,681.88

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Solution

The fourth proportional to 16,766.82, 25,129.17 and 14,681.88 is: 22,004.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,766.82 : 25,129.17 = 14,681.88 : x
  2. Step 2: Convert to fraction form
    16,766.82/25,129.17 = 14,681.88/x
  3. Step 3: Cross multiply
    16,766.82x = 25,129.17 × 14,681.88
  4. Step 4: Simplify right side
    16,766.82x = 368,943,458.44
  5. Step 5: Solve for x
    x = 368,943,458.44/16,766.82
  6. Step 6: Final answer
    x = 22,004.38

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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.