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Finding the Fourth Proportional to 39,793.62, 54,913.71 and 22,796.58

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Solution

The fourth proportional to 39,793.62, 54,913.71 and 22,796.58 is: 31,458.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,793.62 : 54,913.71 = 22,796.58 : x
  2. Step 2: Convert to fraction form
    39,793.62/54,913.71 = 22,796.58/x
  3. Step 3: Cross multiply
    39,793.62x = 54,913.71 × 22,796.58
  4. Step 4: Simplify right side
    39,793.62x = 1,251,844,783.11
  5. Step 5: Solve for x
    x = 1,251,844,783.11/39,793.62
  6. Step 6: Final answer
    x = 31,458.43

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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.