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Finding the Fourth Proportional to 54,118.88, 81,163.20 and 22,932.80

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Solution

The fourth proportional to 54,118.88, 81,163.20 and 22,932.80 is: 34,392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,118.88 : 81,163.20 = 22,932.80 : x
  2. Step 2: Convert to fraction form
    54,118.88/81,163.20 = 22,932.80/x
  3. Step 3: Cross multiply
    54,118.88x = 81,163.20 × 22,932.80
  4. Step 4: Simplify right side
    54,118.88x = 1,861,299,432.96
  5. Step 5: Solve for x
    x = 1,861,299,432.96/54,118.88
  6. Step 6: Final answer
    x = 34,392.79

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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.