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Finding the Fourth Proportional to 1,827.02, 2,738.49 and 731.09

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Solution

The fourth proportional to 1,827.02, 2,738.49 and 731.09 is: 1,095.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.02 : 2,738.49 = 731.09 : x
  2. Step 2: Convert to fraction form
    1,827.02/2,738.49 = 731.09/x
  3. Step 3: Cross multiply
    1,827.02x = 2,738.49 × 731.09
  4. Step 4: Simplify right side
    1,827.02x = 2,002,082.65
  5. Step 5: Solve for x
    x = 2,002,082.65/1,827.02
  6. Step 6: Final answer
    x = 1,095.82

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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.