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Finding the Fourth Proportional to 34,879.39, 48,141.20 and 22,943.90

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Solution

The fourth proportional to 34,879.39, 48,141.20 and 22,943.90 is: 31,667.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,879.39 : 48,141.20 = 22,943.90 : x
  2. Step 2: Convert to fraction form
    34,879.39/48,141.20 = 22,943.90/x
  3. Step 3: Cross multiply
    34,879.39x = 48,141.20 × 22,943.90
  4. Step 4: Simplify right side
    34,879.39x = 1,104,546,878.68
  5. Step 5: Solve for x
    x = 1,104,546,878.68/34,879.39
  6. Step 6: Final answer
    x = 31,667.61

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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.