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Finding the Fourth Proportional to 17,951.90, 24,772.46 and 9,993.92

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Solution

The fourth proportional to 17,951.90, 24,772.46 and 9,993.92 is: 13,790.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,951.90 : 24,772.46 = 9,993.92 : x
  2. Step 2: Convert to fraction form
    17,951.90/24,772.46 = 9,993.92/x
  3. Step 3: Cross multiply
    17,951.90x = 24,772.46 × 9,993.92
  4. Step 4: Simplify right side
    17,951.90x = 247,573,983.44
  5. Step 5: Solve for x
    x = 247,573,983.44/17,951.90
  6. Step 6: Final answer
    x = 13,790.96

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.