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Finding the Fourth Proportional to 3,958.95, 5,938.21 and 1,493.71

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Solution

The fourth proportional to 3,958.95, 5,938.21 and 1,493.71 is: 2,240.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.95 : 5,938.21 = 1,493.71 : x
  2. Step 2: Convert to fraction form
    3,958.95/5,938.21 = 1,493.71/x
  3. Step 3: Cross multiply
    3,958.95x = 5,938.21 × 1,493.71
  4. Step 4: Simplify right side
    3,958.95x = 8,869,963.66
  5. Step 5: Solve for x
    x = 8,869,963.66/3,958.95
  6. Step 6: Final answer
    x = 2,240.48

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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.