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Finding the Fourth Proportional to 5,611.59, 8,414.03 and 2,650.79

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Solution

The fourth proportional to 5,611.59, 8,414.03 and 2,650.79 is: 3,974.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.59 : 8,414.03 = 2,650.79 : x
  2. Step 2: Convert to fraction form
    5,611.59/8,414.03 = 2,650.79/x
  3. Step 3: Cross multiply
    5,611.59x = 8,414.03 × 2,650.79
  4. Step 4: Simplify right side
    5,611.59x = 22,303,771.26
  5. Step 5: Solve for x
    x = 22,303,771.26/5,611.59
  6. Step 6: Final answer
    x = 3,974.59

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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.