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Finding the Fourth Proportional to 3,996.56, 5,997.92 and 2,609.52

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Solution

The fourth proportional to 3,996.56, 5,997.92 and 2,609.52 is: 3,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.56 : 5,997.92 = 2,609.52 : x
  2. Step 2: Convert to fraction form
    3,996.56/5,997.92 = 2,609.52/x
  3. Step 3: Cross multiply
    3,996.56x = 5,997.92 × 2,609.52
  4. Step 4: Simplify right side
    3,996.56x = 15,651,692.20
  5. Step 5: Solve for x
    x = 15,651,692.20/3,996.56
  6. Step 6: Final answer
    x = 3,916.29

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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.