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Finding the Fourth Proportional to 3,901.92, 5,849.12 and 2,256.96

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Solution

The fourth proportional to 3,901.92, 5,849.12 and 2,256.96 is: 3,383.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.92 : 5,849.12 = 2,256.96 : x
  2. Step 2: Convert to fraction form
    3,901.92/5,849.12 = 2,256.96/x
  3. Step 3: Cross multiply
    3,901.92x = 5,849.12 × 2,256.96
  4. Step 4: Simplify right side
    3,901.92x = 13,201,229.88
  5. Step 5: Solve for x
    x = 13,201,229.88/3,901.92
  6. Step 6: Final answer
    x = 3,383.27

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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.