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Finding the Fourth Proportional to 8,793.28, 13,189.90 and 2,219.98

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Solution

The fourth proportional to 8,793.28, 13,189.90 and 2,219.98 is: 3,329.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.28 : 13,189.90 = 2,219.98 : x
  2. Step 2: Convert to fraction form
    8,793.28/13,189.90 = 2,219.98/x
  3. Step 3: Cross multiply
    8,793.28x = 13,189.90 × 2,219.98
  4. Step 4: Simplify right side
    8,793.28x = 29,281,314.20
  5. Step 5: Solve for x
    x = 29,281,314.20/8,793.28
  6. Step 6: Final answer
    x = 3,329.96

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.