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Finding the Fourth Proportional to 8,269.35, 12,402.51 and 2,424.57

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Solution

The fourth proportional to 8,269.35, 12,402.51 and 2,424.57 is: 3,636.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.35 : 12,402.51 = 2,424.57 : x
  2. Step 2: Convert to fraction form
    8,269.35/12,402.51 = 2,424.57/x
  3. Step 3: Cross multiply
    8,269.35x = 12,402.51 × 2,424.57
  4. Step 4: Simplify right side
    8,269.35x = 30,070,753.67
  5. Step 5: Solve for x
    x = 30,070,753.67/8,269.35
  6. Step 6: Final answer
    x = 3,636.41

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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.