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Finding the Fourth Proportional to 33,771.60, 50,652.81 and 8,813.61

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Solution

The fourth proportional to 33,771.60, 50,652.81 and 8,813.61 is: 13,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,771.60 : 50,652.81 = 8,813.61 : x
  2. Step 2: Convert to fraction form
    33,771.60/50,652.81 = 8,813.61/x
  3. Step 3: Cross multiply
    33,771.60x = 50,652.81 × 8,813.61
  4. Step 4: Simplify right side
    33,771.60x = 446,434,112.74
  5. Step 5: Solve for x
    x = 446,434,112.74/33,771.60
  6. Step 6: Final answer
    x = 13,219.22

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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.