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Finding the Fourth Proportional to 3,974.54, 5,963.15 and 1,896.08

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Solution

The fourth proportional to 3,974.54, 5,963.15 and 1,896.08 is: 2,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.54 : 5,963.15 = 1,896.08 : x
  2. Step 2: Convert to fraction form
    3,974.54/5,963.15 = 1,896.08/x
  3. Step 3: Cross multiply
    3,974.54x = 5,963.15 × 1,896.08
  4. Step 4: Simplify right side
    3,974.54x = 11,306,584.38
  5. Step 5: Solve for x
    x = 11,306,584.38/3,974.54
  6. Step 6: Final answer
    x = 2,844.76

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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.