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Finding the Fourth Proportional to 12,610.55, 17,404.61 and 7,308.44

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Solution

The fourth proportional to 12,610.55, 17,404.61 and 7,308.44 is: 10,086.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.55 : 17,404.61 = 7,308.44 : x
  2. Step 2: Convert to fraction form
    12,610.55/17,404.61 = 7,308.44/x
  3. Step 3: Cross multiply
    12,610.55x = 17,404.61 × 7,308.44
  4. Step 4: Simplify right side
    12,610.55x = 127,200,489.61
  5. Step 5: Solve for x
    x = 127,200,489.61/12,610.55
  6. Step 6: Final answer
    x = 10,086.83

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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.