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Finding the Fourth Proportional to 1,805.29, 2,491.17 and 1,049.00

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Solution

The fourth proportional to 1,805.29, 2,491.17 and 1,049.00 is: 1,447.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.29 : 2,491.17 = 1,049.00 : x
  2. Step 2: Convert to fraction form
    1,805.29/2,491.17 = 1,049.00/x
  3. Step 3: Cross multiply
    1,805.29x = 2,491.17 × 1,049.00
  4. Step 4: Simplify right side
    1,805.29x = 2,613,220.94
  5. Step 5: Solve for x
    x = 2,613,220.94/1,805.29
  6. Step 6: Final answer
    x = 1,447.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.