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Finding the Fourth Proportional to 50,633.75, 69,874.29 and 27,974.30

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Solution

The fourth proportional to 50,633.75, 69,874.29 and 27,974.30 is: 38,604.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,633.75 : 69,874.29 = 27,974.30 : x
  2. Step 2: Convert to fraction form
    50,633.75/69,874.29 = 27,974.30/x
  3. Step 3: Cross multiply
    50,633.75x = 69,874.29 × 27,974.30
  4. Step 4: Simplify right side
    50,633.75x = 1,954,684,001.38
  5. Step 5: Solve for x
    x = 1,954,684,001.38/50,633.75
  6. Step 6: Final answer
    x = 38,604.37

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Double scale
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Similar ratio
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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.