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Finding the Fourth Proportional to 5,481.57, 8,211.99 and 2,704.99

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Solution

The fourth proportional to 5,481.57, 8,211.99 and 2,704.99 is: 4,052.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.57 : 8,211.99 = 2,704.99 : x
  2. Step 2: Convert to fraction form
    5,481.57/8,211.99 = 2,704.99/x
  3. Step 3: Cross multiply
    5,481.57x = 8,211.99 × 2,704.99
  4. Step 4: Simplify right side
    5,481.57x = 22,213,350.83
  5. Step 5: Solve for x
    x = 22,213,350.83/5,481.57
  6. Step 6: Final answer
    x = 4,052.37

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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.