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Finding the Fourth Proportional to 12,469.62, 18,713.07 and 5,544.66

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Solution

The fourth proportional to 12,469.62, 18,713.07 and 5,544.66 is: 8,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469.62 : 18,713.07 = 5,544.66 : x
  2. Step 2: Convert to fraction form
    12,469.62/18,713.07 = 5,544.66/x
  3. Step 3: Cross multiply
    12,469.62x = 18,713.07 × 5,544.66
  4. Step 4: Simplify right side
    12,469.62x = 103,757,610.71
  5. Step 5: Solve for x
    x = 103,757,610.71/12,469.62
  6. Step 6: Final answer
    x = 8,320.83

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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.