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Finding the Fourth Proportional to 3,963.27, 5,945.81 and 2,113.41

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Solution

The fourth proportional to 3,963.27, 5,945.81 and 2,113.41 is: 3,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.27 : 5,945.81 = 2,113.41 : x
  2. Step 2: Convert to fraction form
    3,963.27/5,945.81 = 2,113.41/x
  3. Step 3: Cross multiply
    3,963.27x = 5,945.81 × 2,113.41
  4. Step 4: Simplify right side
    3,963.27x = 12,565,934.31
  5. Step 5: Solve for x
    x = 12,565,934.31/3,963.27
  6. Step 6: Final answer
    x = 3,170.60

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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.