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Finding the Fourth Proportional to 63,679.11, 87,872.04 and 36,823.38

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Solution

The fourth proportional to 63,679.11, 87,872.04 and 36,823.38 is: 50,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,679.11 : 87,872.04 = 36,823.38 : x
  2. Step 2: Convert to fraction form
    63,679.11/87,872.04 = 36,823.38/x
  3. Step 3: Cross multiply
    63,679.11x = 87,872.04 × 36,823.38
  4. Step 4: Simplify right side
    63,679.11x = 3,235,745,520.30
  5. Step 5: Solve for x
    x = 3,235,745,520.30/63,679.11
  6. Step 6: Final answer
    x = 50,813.30

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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.