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Finding the Fourth Proportional to 54,481.96, 81,722.94 and 17,041.24

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Solution

The fourth proportional to 54,481.96, 81,722.94 and 17,041.24 is: 25,561.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,481.96 : 81,722.94 = 17,041.24 : x
  2. Step 2: Convert to fraction form
    54,481.96/81,722.94 = 17,041.24/x
  3. Step 3: Cross multiply
    54,481.96x = 81,722.94 × 17,041.24
  4. Step 4: Simplify right side
    54,481.96x = 1,392,660,234.05
  5. Step 5: Solve for x
    x = 1,392,660,234.05/54,481.96
  6. Step 6: Final answer
    x = 25,561.86

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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.