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Finding the Fourth Proportional to 33,793.66, 50,736.45 and 19,012.98

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Solution

The fourth proportional to 33,793.66, 50,736.45 and 19,012.98 is: 28,545.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,793.66 : 50,736.45 = 19,012.98 : x
  2. Step 2: Convert to fraction form
    33,793.66/50,736.45 = 19,012.98/x
  3. Step 3: Cross multiply
    33,793.66x = 50,736.45 × 19,012.98
  4. Step 4: Simplify right side
    33,793.66x = 964,651,109.12
  5. Step 5: Solve for x
    x = 964,651,109.12/33,793.66
  6. Step 6: Final answer
    x = 28,545.33

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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.