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Finding the Fourth Proportional to 63,486.82, 87,608.43 and 36,627.73

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Solution

The fourth proportional to 63,486.82, 87,608.43 and 36,627.73 is: 50,544.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,486.82 : 87,608.43 = 36,627.73 : x
  2. Step 2: Convert to fraction form
    63,486.82/87,608.43 = 36,627.73/x
  3. Step 3: Cross multiply
    63,486.82x = 87,608.43 × 36,627.73
  4. Step 4: Simplify right side
    63,486.82x = 3,208,897,919.76
  5. Step 5: Solve for x
    x = 3,208,897,919.76/63,486.82
  6. Step 6: Final answer
    x = 50,544.32

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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.