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Finding the Fourth Proportional to 1,255.86, 1,733.27 and 758.52

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Solution

The fourth proportional to 1,255.86, 1,733.27 and 758.52 is: 1,046.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255.86 : 1,733.27 = 758.52 : x
  2. Step 2: Convert to fraction form
    1,255.86/1,733.27 = 758.52/x
  3. Step 3: Cross multiply
    1,255.86x = 1,733.27 × 758.52
  4. Step 4: Simplify right side
    1,255.86x = 1,314,716.17
  5. Step 5: Solve for x
    x = 1,314,716.17/1,255.86
  6. Step 6: Final answer
    x = 1,046.87

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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.