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Finding the Fourth Proportional to 54,247.73, 80,964.90 and 50,704.79

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Solution

The fourth proportional to 54,247.73, 80,964.90 and 50,704.79 is: 75,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,247.73 : 80,964.90 = 50,704.79 : x
  2. Step 2: Convert to fraction form
    54,247.73/80,964.90 = 50,704.79/x
  3. Step 3: Cross multiply
    54,247.73x = 80,964.90 × 50,704.79
  4. Step 4: Simplify right side
    54,247.73x = 4,105,307,847.05
  5. Step 5: Solve for x
    x = 4,105,307,847.05/54,247.73
  6. Step 6: Final answer
    x = 75,677.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.