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Finding the Fourth Proportional to 33,481.92, 50,222.07 and 8,521.99

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Solution

The fourth proportional to 33,481.92, 50,222.07 and 8,521.99 is: 12,782.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,481.92 : 50,222.07 = 8,521.99 : x
  2. Step 2: Convert to fraction form
    33,481.92/50,222.07 = 8,521.99/x
  3. Step 3: Cross multiply
    33,481.92x = 50,222.07 × 8,521.99
  4. Step 4: Simplify right side
    33,481.92x = 427,991,978.32
  5. Step 5: Solve for x
    x = 427,991,978.32/33,481.92
  6. Step 6: Final answer
    x = 12,782.78

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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.