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Finding the Fourth Proportional to 33,376.92, 50,072.88 and 11,189.74

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Solution

The fourth proportional to 33,376.92, 50,072.88 and 11,189.74 is: 16,787.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,376.92 : 50,072.88 = 11,189.74 : x
  2. Step 2: Convert to fraction form
    33,376.92/50,072.88 = 11,189.74/x
  3. Step 3: Cross multiply
    33,376.92x = 50,072.88 × 11,189.74
  4. Step 4: Simplify right side
    33,376.92x = 560,302,508.25
  5. Step 5: Solve for x
    x = 560,302,508.25/33,376.92
  6. Step 6: Final answer
    x = 16,787.12

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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.