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Finding the Fourth Proportional to 1,273.26, 1,757.25 and 832.44

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Solution

The fourth proportional to 1,273.26, 1,757.25 and 832.44 is: 1,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273.26 : 1,757.25 = 832.44 : x
  2. Step 2: Convert to fraction form
    1,273.26/1,757.25 = 832.44/x
  3. Step 3: Cross multiply
    1,273.26x = 1,757.25 × 832.44
  4. Step 4: Simplify right side
    1,273.26x = 1,462,805.19
  5. Step 5: Solve for x
    x = 1,462,805.19/1,273.26
  6. Step 6: Final answer
    x = 1,148.87

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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.