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Finding the Fourth Proportional to 2,773.52, 4,159.88 and 825.44

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Solution

The fourth proportional to 2,773.52, 4,159.88 and 825.44 is: 1,238.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.52 : 4,159.88 = 825.44 : x
  2. Step 2: Convert to fraction form
    2,773.52/4,159.88 = 825.44/x
  3. Step 3: Cross multiply
    2,773.52x = 4,159.88 × 825.44
  4. Step 4: Simplify right side
    2,773.52x = 3,433,731.35
  5. Step 5: Solve for x
    x = 3,433,731.35/2,773.52
  6. Step 6: Final answer
    x = 1,238.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.