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Finding the Fourth Proportional to 63,652, 95,478 and 19,876

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Solution

The fourth proportional to 63,652, 95,478 and 19,876 is: 29,814

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,652 : 95,478 = 19,876 : x
  2. Step 2: Convert to fraction form
    63,652/95,478 = 19,876/x
  3. Step 3: Cross multiply
    63,652x = 95,478 × 19,876
  4. Step 4: Simplify right side
    63,652x = 1,897,720,728
  5. Step 5: Solve for x
    x = 1,897,720,728/63,652
  6. Step 6: Final answer
    x = 29,814

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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.