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Finding the Fourth Proportional to 63,631.82, 95,302.38 and 30,375.30

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Solution

The fourth proportional to 63,631.82, 95,302.38 and 30,375.30 is: 45,493.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,631.82 : 95,302.38 = 30,375.30 : x
  2. Step 2: Convert to fraction form
    63,631.82/95,302.38 = 30,375.30/x
  3. Step 3: Cross multiply
    63,631.82x = 95,302.38 × 30,375.30
  4. Step 4: Simplify right side
    63,631.82x = 2,894,838,383.21
  5. Step 5: Solve for x
    x = 2,894,838,383.21/63,631.82
  6. Step 6: Final answer
    x = 45,493.57

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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.