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Finding the Fourth Proportional to 8,793.87, 13,191.26 and 2,220.11

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Solution

The fourth proportional to 8,793.87, 13,191.26 and 2,220.11 is: 3,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.87 : 13,191.26 = 2,220.11 : x
  2. Step 2: Convert to fraction form
    8,793.87/13,191.26 = 2,220.11/x
  3. Step 3: Cross multiply
    8,793.87x = 13,191.26 × 2,220.11
  4. Step 4: Simplify right side
    8,793.87x = 29,286,020.65
  5. Step 5: Solve for x
    x = 29,286,020.65/8,793.87
  6. Step 6: Final answer
    x = 3,330.28

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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.