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Finding the Fourth Proportional to 8,982.17, 13,472.62 and 3,358.77

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Solution

The fourth proportional to 8,982.17, 13,472.62 and 3,358.77 is: 5,037.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.17 : 13,472.62 = 3,358.77 : x
  2. Step 2: Convert to fraction form
    8,982.17/13,472.62 = 3,358.77/x
  3. Step 3: Cross multiply
    8,982.17x = 13,472.62 × 3,358.77
  4. Step 4: Simplify right side
    8,982.17x = 45,251,389.49
  5. Step 5: Solve for x
    x = 45,251,389.49/8,982.17
  6. Step 6: Final answer
    x = 5,037.92

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Why These Related Problems?

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