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Finding the Fourth Proportional to 49,620.80, 68,476.79 and 26,959.88

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Solution

The fourth proportional to 49,620.80, 68,476.79 and 26,959.88 is: 37,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,620.80 : 68,476.79 = 26,959.88 : x
  2. Step 2: Convert to fraction form
    49,620.80/68,476.79 = 26,959.88/x
  3. Step 3: Cross multiply
    49,620.80x = 68,476.79 × 26,959.88
  4. Step 4: Simplify right side
    49,620.80x = 1,846,125,906.39
  5. Step 5: Solve for x
    x = 1,846,125,906.39/49,620.80
  6. Step 6: Final answer
    x = 37,204.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.