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Finding the Fourth Proportional to 33,679.52, 50,490.48 and 12,917.92

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Solution

The fourth proportional to 33,679.52, 50,490.48 and 12,917.92 is: 19,365.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,679.52 : 50,490.48 = 12,917.92 : x
  2. Step 2: Convert to fraction form
    33,679.52/50,490.48 = 12,917.92/x
  3. Step 3: Cross multiply
    33,679.52x = 50,490.48 × 12,917.92
  4. Step 4: Simplify right side
    33,679.52x = 652,231,981.40
  5. Step 5: Solve for x
    x = 652,231,981.40/33,679.52
  6. Step 6: Final answer
    x = 19,365.83

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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.