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Finding the Fourth Proportional to 1,282.78, 1,924.14 and 795.52

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Solution

The fourth proportional to 1,282.78, 1,924.14 and 795.52 is: 1,193.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282.78 : 1,924.14 = 795.52 : x
  2. Step 2: Convert to fraction form
    1,282.78/1,924.14 = 795.52/x
  3. Step 3: Cross multiply
    1,282.78x = 1,924.14 × 795.52
  4. Step 4: Simplify right side
    1,282.78x = 1,530,691.85
  5. Step 5: Solve for x
    x = 1,530,691.85/1,282.78
  6. Step 6: Final answer
    x = 1,193.26

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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.