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Finding the Fourth Proportional to 1,268.56, 1,750.14 and 796.24

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Solution

The fourth proportional to 1,268.56, 1,750.14 and 796.24 is: 1,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268.56 : 1,750.14 = 796.24 : x
  2. Step 2: Convert to fraction form
    1,268.56/1,750.14 = 796.24/x
  3. Step 3: Cross multiply
    1,268.56x = 1,750.14 × 796.24
  4. Step 4: Simplify right side
    1,268.56x = 1,393,531.47
  5. Step 5: Solve for x
    x = 1,393,531.47/1,268.56
  6. Step 6: Final answer
    x = 1,098.51

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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.