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Finding the Fourth Proportional to 33,771.84, 50,652.74 and 8,813.61

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Solution

The fourth proportional to 33,771.84, 50,652.74 and 8,813.61 is: 13,219.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,771.84 : 50,652.74 = 8,813.61 : x
  2. Step 2: Convert to fraction form
    33,771.84/50,652.74 = 8,813.61/x
  3. Step 3: Cross multiply
    33,771.84x = 50,652.74 × 8,813.61
  4. Step 4: Simplify right side
    33,771.84x = 446,433,517.83
  5. Step 5: Solve for x
    x = 446,433,517.83/33,771.84
  6. Step 6: Final answer
    x = 13,219.11

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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.