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Finding the Fourth Proportional to 8,981.62, 12,394.11 and 5,002.54

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Solution

The fourth proportional to 8,981.62, 12,394.11 and 5,002.54 is: 6,903.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.62 : 12,394.11 = 5,002.54 : x
  2. Step 2: Convert to fraction form
    8,981.62/12,394.11 = 5,002.54/x
  3. Step 3: Cross multiply
    8,981.62x = 12,394.11 × 5,002.54
  4. Step 4: Simplify right side
    8,981.62x = 62,002,031.04
  5. Step 5: Solve for x
    x = 62,002,031.04/8,981.62
  6. Step 6: Final answer
    x = 6,903.21

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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.