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Finding the Fourth Proportional to 11,469.53, 17,204.13 and 3,149.55

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Solution

The fourth proportional to 11,469.53, 17,204.13 and 3,149.55 is: 4,724.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469.53 : 17,204.13 = 3,149.55 : x
  2. Step 2: Convert to fraction form
    11,469.53/17,204.13 = 3,149.55/x
  3. Step 3: Cross multiply
    11,469.53x = 17,204.13 × 3,149.55
  4. Step 4: Simplify right side
    11,469.53x = 54,185,251.89
  5. Step 5: Solve for x
    x = 54,185,251.89/11,469.53
  6. Step 6: Final answer
    x = 4,724.28

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1.5x scale

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.