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Finding the Fourth Proportional to 10,100.52, 15,142.14 and 6,630.12

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Solution

The fourth proportional to 10,100.52, 15,142.14 and 6,630.12 is: 9,939.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.52 : 15,142.14 = 6,630.12 : x
  2. Step 2: Convert to fraction form
    10,100.52/15,142.14 = 6,630.12/x
  3. Step 3: Cross multiply
    10,100.52x = 15,142.14 × 6,630.12
  4. Step 4: Simplify right side
    10,100.52x = 100,394,205.26
  5. Step 5: Solve for x
    x = 100,394,205.26/10,100.52
  6. Step 6: Final answer
    x = 9,939.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.