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Finding the Fourth Proportional to 64,361.88, 88,819.34 and 36,067.77

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Solution

The fourth proportional to 64,361.88, 88,819.34 and 36,067.77 is: 49,773.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,361.88 : 88,819.34 = 36,067.77 : x
  2. Step 2: Convert to fraction form
    64,361.88/88,819.34 = 36,067.77/x
  3. Step 3: Cross multiply
    64,361.88x = 88,819.34 × 36,067.77
  4. Step 4: Simplify right side
    64,361.88x = 3,203,515,346.33
  5. Step 5: Solve for x
    x = 3,203,515,346.33/64,361.88
  6. Step 6: Final answer
    x = 49,773.49

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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.