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Finding the Fourth Proportional to 33,874.59, 50,809.15 and 15,155.70

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Solution

The fourth proportional to 33,874.59, 50,809.15 and 15,155.70 is: 22,732.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,874.59 : 50,809.15 = 15,155.70 : x
  2. Step 2: Convert to fraction form
    33,874.59/50,809.15 = 15,155.70/x
  3. Step 3: Cross multiply
    33,874.59x = 50,809.15 × 15,155.70
  4. Step 4: Simplify right side
    33,874.59x = 770,048,234.66
  5. Step 5: Solve for x
    x = 770,048,234.66/33,874.59
  6. Step 6: Final answer
    x = 22,732.33

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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.