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Finding the Fourth Proportional to 12,092.88, 16,685.28 and 7,375.44

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Solution

The fourth proportional to 12,092.88, 16,685.28 and 7,375.44 is: 10,176.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092.88 : 16,685.28 = 7,375.44 : x
  2. Step 2: Convert to fraction form
    12,092.88/16,685.28 = 7,375.44/x
  3. Step 3: Cross multiply
    12,092.88x = 16,685.28 × 7,375.44
  4. Step 4: Simplify right side
    12,092.88x = 123,061,281.52
  5. Step 5: Solve for x
    x = 123,061,281.52/12,092.88
  6. Step 6: Final answer
    x = 10,176.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.