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Finding the Fourth Proportional to 50,633.76, 69,873.36 and 27,974.92

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Solution

The fourth proportional to 50,633.76, 69,873.36 and 27,974.92 is: 38,604.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,633.76 : 69,873.36 = 27,974.92 : x
  2. Step 2: Convert to fraction form
    50,633.76/69,873.36 = 27,974.92/x
  3. Step 3: Cross multiply
    50,633.76x = 69,873.36 × 27,974.92
  4. Step 4: Simplify right side
    50,633.76x = 1,954,701,586.23
  5. Step 5: Solve for x
    x = 1,954,701,586.23/50,633.76
  6. Step 6: Final answer
    x = 38,604.71

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Double scale
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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.