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Finding the Fourth Proportional to 3,912.64, 5,865.01 and 2,452.82

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Solution

The fourth proportional to 3,912.64, 5,865.01 and 2,452.82 is: 3,676.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.64 : 5,865.01 = 2,452.82 : x
  2. Step 2: Convert to fraction form
    3,912.64/5,865.01 = 2,452.82/x
  3. Step 3: Cross multiply
    3,912.64x = 5,865.01 × 2,452.82
  4. Step 4: Simplify right side
    3,912.64x = 14,385,799.17
  5. Step 5: Solve for x
    x = 14,385,799.17/3,912.64
  6. Step 6: Final answer
    x = 3,676.75

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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.