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Finding the Fourth Proportional to 33,286.80, 49,951.80 and 19,246.80

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Solution

The fourth proportional to 33,286.80, 49,951.80 and 19,246.80 is: 28,882.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,286.80 : 49,951.80 = 19,246.80 : x
  2. Step 2: Convert to fraction form
    33,286.80/49,951.80 = 19,246.80/x
  3. Step 3: Cross multiply
    33,286.80x = 49,951.80 × 19,246.80
  4. Step 4: Simplify right side
    33,286.80x = 961,412,304.24
  5. Step 5: Solve for x
    x = 961,412,304.24/33,286.80
  6. Step 6: Final answer
    x = 28,882.69

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1.5x scale

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.