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Finding the Fourth Proportional to 8,982.71, 13,475.68 and 3,714.85

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Solution

The fourth proportional to 8,982.71, 13,475.68 and 3,714.85 is: 5,572.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.71 : 13,475.68 = 3,714.85 : x
  2. Step 2: Convert to fraction form
    8,982.71/13,475.68 = 3,714.85/x
  3. Step 3: Cross multiply
    8,982.71x = 13,475.68 × 3,714.85
  4. Step 4: Simplify right side
    8,982.71x = 50,060,185.75
  5. Step 5: Solve for x
    x = 50,060,185.75/8,982.71
  6. Step 6: Final answer
    x = 5,572.95

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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.