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Finding the Fourth Proportional to 13,744, 20,616.12 and 3,883.06

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Solution

The fourth proportional to 13,744, 20,616.12 and 3,883.06 is: 5,824.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744 : 20,616.12 = 3,883.06 : x
  2. Step 2: Convert to fraction form
    13,744/20,616.12 = 3,883.06/x
  3. Step 3: Cross multiply
    13,744x = 20,616.12 × 3,883.06
  4. Step 4: Simplify right side
    13,744x = 80,053,630.93
  5. Step 5: Solve for x
    x = 80,053,630.93/13,744
  6. Step 6: Final answer
    x = 5,824.62

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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.