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Finding the Fourth Proportional to 3,771.53, 5,654.50 and 2,290.44

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Solution

The fourth proportional to 3,771.53, 5,654.50 and 2,290.44 is: 3,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.53 : 5,654.50 = 2,290.44 : x
  2. Step 2: Convert to fraction form
    3,771.53/5,654.50 = 2,290.44/x
  3. Step 3: Cross multiply
    3,771.53x = 5,654.50 × 2,290.44
  4. Step 4: Simplify right side
    3,771.53x = 12,951,292.98
  5. Step 5: Solve for x
    x = 12,951,292.98/3,771.53
  6. Step 6: Final answer
    x = 3,433.96

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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.