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Finding the Fourth Proportional to 3,839.34, 5,757.60 and 1,373.49

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Solution

The fourth proportional to 3,839.34, 5,757.60 and 1,373.49 is: 2,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.34 : 5,757.60 = 1,373.49 : x
  2. Step 2: Convert to fraction form
    3,839.34/5,757.60 = 1,373.49/x
  3. Step 3: Cross multiply
    3,839.34x = 5,757.60 × 1,373.49
  4. Step 4: Simplify right side
    3,839.34x = 7,908,006.02
  5. Step 5: Solve for x
    x = 7,908,006.02/3,839.34
  6. Step 6: Final answer
    x = 2,059.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.