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Finding the Fourth Proportional to 3,961.90, 5,939.90 and 2,401.52

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Solution

The fourth proportional to 3,961.90, 5,939.90 and 2,401.52 is: 3,600.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.90 : 5,939.90 = 2,401.52 : x
  2. Step 2: Convert to fraction form
    3,961.90/5,939.90 = 2,401.52/x
  3. Step 3: Cross multiply
    3,961.90x = 5,939.90 × 2,401.52
  4. Step 4: Simplify right side
    3,961.90x = 14,264,746.94
  5. Step 5: Solve for x
    x = 14,264,746.94/3,961.90
  6. Step 6: Final answer
    x = 3,600.48

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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.