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Finding the Fourth Proportional to 54,794.73, 82,067.53 and 42,874.22

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Solution

The fourth proportional to 54,794.73, 82,067.53 and 42,874.22 is: 64,213.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,794.73 : 82,067.53 = 42,874.22 : x
  2. Step 2: Convert to fraction form
    54,794.73/82,067.53 = 42,874.22/x
  3. Step 3: Cross multiply
    54,794.73x = 82,067.53 × 42,874.22
  4. Step 4: Simplify right side
    54,794.73x = 3,518,581,336.08
  5. Step 5: Solve for x
    x = 3,518,581,336.08/54,794.73
  6. Step 6: Final answer
    x = 64,213.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.