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Finding the Fourth Proportional to 54,057.89, 81,086.84 and 27,745.85

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Solution

The fourth proportional to 54,057.89, 81,086.84 and 27,745.85 is: 41,618.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,057.89 : 81,086.84 = 27,745.85 : x
  2. Step 2: Convert to fraction form
    54,057.89/81,086.84 = 27,745.85/x
  3. Step 3: Cross multiply
    54,057.89x = 81,086.84 × 27,745.85
  4. Step 4: Simplify right side
    54,057.89x = 2,249,823,467.65
  5. Step 5: Solve for x
    x = 2,249,823,467.65/54,057.89
  6. Step 6: Final answer
    x = 41,618.78

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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.