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Finding the Fourth Proportional to 1,474.25, 2,034.92 and 950.28

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Solution

The fourth proportional to 1,474.25, 2,034.92 and 950.28 is: 1,311.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.25 : 2,034.92 = 950.28 : x
  2. Step 2: Convert to fraction form
    1,474.25/2,034.92 = 950.28/x
  3. Step 3: Cross multiply
    1,474.25x = 2,034.92 × 950.28
  4. Step 4: Simplify right side
    1,474.25x = 1,933,743.78
  5. Step 5: Solve for x
    x = 1,933,743.78/1,474.25
  6. Step 6: Final answer
    x = 1,311.68

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1.5x scale

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.