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Finding the Fourth Proportional to 33,850.60, 50,778.20 and 8,890.60

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Solution

The fourth proportional to 33,850.60, 50,778.20 and 8,890.60 is: 13,336.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,850.60 : 50,778.20 = 8,890.60 : x
  2. Step 2: Convert to fraction form
    33,850.60/50,778.20 = 8,890.60/x
  3. Step 3: Cross multiply
    33,850.60x = 50,778.20 × 8,890.60
  4. Step 4: Simplify right side
    33,850.60x = 451,448,733.95
  5. Step 5: Solve for x
    x = 451,448,733.95/33,850.60
  6. Step 6: Final answer
    x = 13,336.51

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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.