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Finding the Fourth Proportional to 3,350.76, 5,019.60 and 2,193

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Solution

The fourth proportional to 3,350.76, 5,019.60 and 2,193 is: 3,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.76 : 5,019.60 = 2,193 : x
  2. Step 2: Convert to fraction form
    3,350.76/5,019.60 = 2,193/x
  3. Step 3: Cross multiply
    3,350.76x = 5,019.60 × 2,193
  4. Step 4: Simplify right side
    3,350.76x = 11,007,982.80
  5. Step 5: Solve for x
    x = 11,007,982.80/3,350.76
  6. Step 6: Final answer
    x = 3,285.22

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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.