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Finding the Fourth Proportional to 2,149.38, 3,224.82 and 1,174.98

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Solution

The fourth proportional to 2,149.38, 3,224.82 and 1,174.98 is: 1,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.38 : 3,224.82 = 1,174.98 : x
  2. Step 2: Convert to fraction form
    2,149.38/3,224.82 = 1,174.98/x
  3. Step 3: Cross multiply
    2,149.38x = 3,224.82 × 1,174.98
  4. Step 4: Simplify right side
    2,149.38x = 3,789,099.00
  5. Step 5: Solve for x
    x = 3,789,099.00/2,149.38
  6. Step 6: Final answer
    x = 1,762.88

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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.