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Finding the Fourth Proportional to 33,793.65, 50,675.90 and 13,789.89

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Solution

The fourth proportional to 33,793.65, 50,675.90 and 13,789.89 is: 20,678.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,793.65 : 50,675.90 = 13,789.89 : x
  2. Step 2: Convert to fraction form
    33,793.65/50,675.90 = 13,789.89/x
  3. Step 3: Cross multiply
    33,793.65x = 50,675.90 × 13,789.89
  4. Step 4: Simplify right side
    33,793.65x = 698,815,017.70
  5. Step 5: Solve for x
    x = 698,815,017.70/33,793.65
  6. Step 6: Final answer
    x = 20,678.89

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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.