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Finding the Fourth Proportional to 3,958.92, 5,938.99 and 1,361.25

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Solution

The fourth proportional to 3,958.92, 5,938.99 and 1,361.25 is: 2,042.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.92 : 5,938.99 = 1,361.25 : x
  2. Step 2: Convert to fraction form
    3,958.92/5,938.99 = 1,361.25/x
  3. Step 3: Cross multiply
    3,958.92x = 5,938.99 × 1,361.25
  4. Step 4: Simplify right side
    3,958.92x = 8,084,446.73
  5. Step 5: Solve for x
    x = 8,084,446.73/3,958.92
  6. Step 6: Final answer
    x = 2,042.08

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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.