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Finding the Fourth Proportional to 3,969.55, 5,963.51 and 2,493.37

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Solution

The fourth proportional to 3,969.55, 5,963.51 and 2,493.37 is: 3,745.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.55 : 5,963.51 = 2,493.37 : x
  2. Step 2: Convert to fraction form
    3,969.55/5,963.51 = 2,493.37/x
  3. Step 3: Cross multiply
    3,969.55x = 5,963.51 × 2,493.37
  4. Step 4: Simplify right side
    3,969.55x = 14,869,224.46
  5. Step 5: Solve for x
    x = 14,869,224.46/3,969.55
  6. Step 6: Final answer
    x = 3,745.82

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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.