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Finding the Fourth Proportional to 83,958.48, 125,951.09 and 27,800.64

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Solution

The fourth proportional to 83,958.48, 125,951.09 and 27,800.64 is: 41,705.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,958.48 : 125,951.09 = 27,800.64 : x
  2. Step 2: Convert to fraction form
    83,958.48/125,951.09 = 27,800.64/x
  3. Step 3: Cross multiply
    83,958.48x = 125,951.09 × 27,800.64
  4. Step 4: Simplify right side
    83,958.48x = 3,501,520,771.69
  5. Step 5: Solve for x
    x = 3,501,520,771.69/83,958.48
  6. Step 6: Final answer
    x = 41,705.39

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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.