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Finding the Fourth Proportional to 54,659.70, 81,804.22 and 33,612.96

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Solution

The fourth proportional to 54,659.70, 81,804.22 and 33,612.96 is: 50,305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,659.70 : 81,804.22 = 33,612.96 : x
  2. Step 2: Convert to fraction form
    54,659.70/81,804.22 = 33,612.96/x
  3. Step 3: Cross multiply
    54,659.70x = 81,804.22 × 33,612.96
  4. Step 4: Simplify right side
    54,659.70x = 2,749,681,974.69
  5. Step 5: Solve for x
    x = 2,749,681,974.69/54,659.70
  6. Step 6: Final answer
    x = 50,305.47

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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.