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Finding the Fourth Proportional to 9,402.88, 14,104.28 and 5,531.92

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Solution

The fourth proportional to 9,402.88, 14,104.28 and 5,531.92 is: 8,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,402.88 : 14,104.28 = 5,531.92 : x
  2. Step 2: Convert to fraction form
    9,402.88/14,104.28 = 5,531.92/x
  3. Step 3: Cross multiply
    9,402.88x = 14,104.28 × 5,531.92
  4. Step 4: Simplify right side
    9,402.88x = 78,023,748.62
  5. Step 5: Solve for x
    x = 78,023,748.62/9,402.88
  6. Step 6: Final answer
    x = 8,297.86

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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.