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Finding the Fourth Proportional to 12,753.26, 17,599.21 and 7,375.29

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Solution

The fourth proportional to 12,753.26, 17,599.21 and 7,375.29 is: 10,177.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753.26 : 17,599.21 = 7,375.29 : x
  2. Step 2: Convert to fraction form
    12,753.26/17,599.21 = 7,375.29/x
  3. Step 3: Cross multiply
    12,753.26x = 17,599.21 × 7,375.29
  4. Step 4: Simplify right side
    12,753.26x = 129,799,277.52
  5. Step 5: Solve for x
    x = 129,799,277.52/12,753.26
  6. Step 6: Final answer
    x = 10,177.73

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1.5x scale

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.