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Finding the Fourth Proportional to 2,250.54, 3,105.84 and 1,255.82

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Solution

The fourth proportional to 2,250.54, 3,105.84 and 1,255.82 is: 1,733.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.54 : 3,105.84 = 1,255.82 : x
  2. Step 2: Convert to fraction form
    2,250.54/3,105.84 = 1,255.82/x
  3. Step 3: Cross multiply
    2,250.54x = 3,105.84 × 1,255.82
  4. Step 4: Simplify right side
    2,250.54x = 3,900,375.99
  5. Step 5: Solve for x
    x = 3,900,375.99/2,250.54
  6. Step 6: Final answer
    x = 1,733.08

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