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Finding the Fourth Proportional to 55,939.94, 83,910.13 and 22,660.64

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Solution

The fourth proportional to 55,939.94, 83,910.13 and 22,660.64 is: 33,991.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,939.94 : 83,910.13 = 22,660.64 : x
  2. Step 2: Convert to fraction form
    55,939.94/83,910.13 = 22,660.64/x
  3. Step 3: Cross multiply
    55,939.94x = 83,910.13 × 22,660.64
  4. Step 4: Simplify right side
    55,939.94x = 1,901,456,772.08
  5. Step 5: Solve for x
    x = 1,901,456,772.08/55,939.94
  6. Step 6: Final answer
    x = 33,991.04

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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.