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Finding the Fourth Proportional to 11,874.70, 17,816.18 and 4,481.29

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Solution

The fourth proportional to 11,874.70, 17,816.18 and 4,481.29 is: 6,723.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,874.70 : 17,816.18 = 4,481.29 : x
  2. Step 2: Convert to fraction form
    11,874.70/17,816.18 = 4,481.29/x
  3. Step 3: Cross multiply
    11,874.70x = 17,816.18 × 4,481.29
  4. Step 4: Simplify right side
    11,874.70x = 79,839,469.27
  5. Step 5: Solve for x
    x = 79,839,469.27/11,874.70
  6. Step 6: Final answer
    x = 6,723.49

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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.