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Finding the Fourth Proportional to 2,769.38, 4,150.48 and 1,124

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Solution

The fourth proportional to 2,769.38, 4,150.48 and 1,124 is: 1,684.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.38 : 4,150.48 = 1,124 : x
  2. Step 2: Convert to fraction form
    2,769.38/4,150.48 = 1,124/x
  3. Step 3: Cross multiply
    2,769.38x = 4,150.48 × 1,124
  4. Step 4: Simplify right side
    2,769.38x = 4,665,139.52
  5. Step 5: Solve for x
    x = 4,665,139.52/2,769.38
  6. Step 6: Final answer
    x = 1,684.54

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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.