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Finding the Fourth Proportional to 3,960.89, 5,943.39 and 2,013.10

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Solution

The fourth proportional to 3,960.89, 5,943.39 and 2,013.10 is: 3,020.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.89 : 5,943.39 = 2,013.10 : x
  2. Step 2: Convert to fraction form
    3,960.89/5,943.39 = 2,013.10/x
  3. Step 3: Cross multiply
    3,960.89x = 5,943.39 × 2,013.10
  4. Step 4: Simplify right side
    3,960.89x = 11,964,623.55
  5. Step 5: Solve for x
    x = 11,964,623.55/3,960.89
  6. Step 6: Final answer
    x = 3,020.69

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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.