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Finding the Fourth Proportional to 49,422.80, 68,203.49 and 26,761.79

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Solution

The fourth proportional to 49,422.80, 68,203.49 and 26,761.79 is: 36,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,422.80 : 68,203.49 = 26,761.79 : x
  2. Step 2: Convert to fraction form
    49,422.80/68,203.49 = 26,761.79/x
  3. Step 3: Cross multiply
    49,422.80x = 68,203.49 × 26,761.79
  4. Step 4: Simplify right side
    49,422.80x = 1,825,247,513.35
  5. Step 5: Solve for x
    x = 1,825,247,513.35/49,422.80
  6. Step 6: Final answer
    x = 36,931.28

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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.