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Finding the Fourth Proportional to 8,799.88, 13,195.06 and 3,863.76

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Solution

The fourth proportional to 8,799.88, 13,195.06 and 3,863.76 is: 5,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.88 : 13,195.06 = 3,863.76 : x
  2. Step 2: Convert to fraction form
    8,799.88/13,195.06 = 3,863.76/x
  3. Step 3: Cross multiply
    8,799.88x = 13,195.06 × 3,863.76
  4. Step 4: Simplify right side
    8,799.88x = 50,982,545.03
  5. Step 5: Solve for x
    x = 50,982,545.03/8,799.88
  6. Step 6: Final answer
    x = 5,793.55

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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.