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Finding the Fourth Proportional to 50,651.87, 69,899.80 and 27,682.15

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Solution

The fourth proportional to 50,651.87, 69,899.80 and 27,682.15 is: 38,201.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,651.87 : 69,899.80 = 27,682.15 : x
  2. Step 2: Convert to fraction form
    50,651.87/69,899.80 = 27,682.15/x
  3. Step 3: Cross multiply
    50,651.87x = 69,899.80 × 27,682.15
  4. Step 4: Simplify right side
    50,651.87x = 1,934,976,504.62
  5. Step 5: Solve for x
    x = 1,934,976,504.62/50,651.87
  6. Step 6: Final answer
    x = 38,201.49

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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.