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Finding the Fourth Proportional to 29,982.65, 44,993.97 and 12,452.49

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Solution

The fourth proportional to 29,982.65, 44,993.97 and 12,452.49 is: 18,687.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,982.65 : 44,993.97 = 12,452.49 : x
  2. Step 2: Convert to fraction form
    29,982.65/44,993.97 = 12,452.49/x
  3. Step 3: Cross multiply
    29,982.65x = 44,993.97 × 12,452.49
  4. Step 4: Simplify right side
    29,982.65x = 560,286,961.49
  5. Step 5: Solve for x
    x = 560,286,961.49/29,982.65
  6. Step 6: Final answer
    x = 18,687.04

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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.