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Finding the Fourth Proportional to 3,771.70, 5,650.19 and 2,469.22

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Solution

The fourth proportional to 3,771.70, 5,650.19 and 2,469.22 is: 3,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.70 : 5,650.19 = 2,469.22 : x
  2. Step 2: Convert to fraction form
    3,771.70/5,650.19 = 2,469.22/x
  3. Step 3: Cross multiply
    3,771.70x = 5,650.19 × 2,469.22
  4. Step 4: Simplify right side
    3,771.70x = 13,951,562.15
  5. Step 5: Solve for x
    x = 13,951,562.15/3,771.70
  6. Step 6: Final answer
    x = 3,699.01

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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.