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Finding the Fourth Proportional to 3,958.74, 5,938.83 and 1,361.04

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Solution

The fourth proportional to 3,958.74, 5,938.83 and 1,361.04 is: 2,041.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.74 : 5,938.83 = 1,361.04 : x
  2. Step 2: Convert to fraction form
    3,958.74/5,938.83 = 1,361.04/x
  3. Step 3: Cross multiply
    3,958.74x = 5,938.83 × 1,361.04
  4. Step 4: Simplify right side
    3,958.74x = 8,082,985.18
  5. Step 5: Solve for x
    x = 8,082,985.18/3,958.74
  6. Step 6: Final answer
    x = 2,041.81

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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.