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Finding the Fourth Proportional to 5,612.58, 8,422.92 and 2,692.56

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Solution

The fourth proportional to 5,612.58, 8,422.92 and 2,692.56 is: 4,040.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.58 : 8,422.92 = 2,692.56 : x
  2. Step 2: Convert to fraction form
    5,612.58/8,422.92 = 2,692.56/x
  3. Step 3: Cross multiply
    5,612.58x = 8,422.92 × 2,692.56
  4. Step 4: Simplify right side
    5,612.58x = 22,679,217.48
  5. Step 5: Solve for x
    x = 22,679,217.48/5,612.58
  6. Step 6: Final answer
    x = 4,040.78

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