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Finding the Fourth Proportional to 3,963.73, 5,945.58 and 1,366.66

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Solution

The fourth proportional to 3,963.73, 5,945.58 and 1,366.66 is: 2,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.73 : 5,945.58 = 1,366.66 : x
  2. Step 2: Convert to fraction form
    3,963.73/5,945.58 = 1,366.66/x
  3. Step 3: Cross multiply
    3,963.73x = 5,945.58 × 1,366.66
  4. Step 4: Simplify right side
    3,963.73x = 8,125,586.36
  5. Step 5: Solve for x
    x = 8,125,586.36/3,963.73
  6. Step 6: Final answer
    x = 2,049.98

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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.