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Finding the Fourth Proportional to 63,680.84, 87,872.82 and 36,819.08

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Solution

The fourth proportional to 63,680.84, 87,872.82 and 36,819.08 is: 50,806.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,680.84 : 87,872.82 = 36,819.08 : x
  2. Step 2: Convert to fraction form
    63,680.84/87,872.82 = 36,819.08/x
  3. Step 3: Cross multiply
    63,680.84x = 87,872.82 × 36,819.08
  4. Step 4: Simplify right side
    63,680.84x = 3,235,396,389.41
  5. Step 5: Solve for x
    x = 3,235,396,389.41/63,680.84
  6. Step 6: Final answer
    x = 50,806.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.