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Finding the Fourth Proportional to 950.92, 1,424.24 and 825.92

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Solution

The fourth proportional to 950.92, 1,424.24 and 825.92 is: 1,237.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.92 : 1,424.24 = 825.92 : x
  2. Step 2: Convert to fraction form
    950.92/1,424.24 = 825.92/x
  3. Step 3: Cross multiply
    950.92x = 1,424.24 × 825.92
  4. Step 4: Simplify right side
    950.92x = 1,176,308.30
  5. Step 5: Solve for x
    x = 1,176,308.30/950.92
  6. Step 6: Final answer
    x = 1,237.02

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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.