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Finding the Fourth Proportional to 63,616.32, 87,793.26 and 35,322

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Solution

The fourth proportional to 63,616.32, 87,793.26 and 35,322 is: 48,745.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,616.32 : 87,793.26 = 35,322 : x
  2. Step 2: Convert to fraction form
    63,616.32/87,793.26 = 35,322/x
  3. Step 3: Cross multiply
    63,616.32x = 87,793.26 × 35,322
  4. Step 4: Simplify right side
    63,616.32x = 3,101,033,529.72
  5. Step 5: Solve for x
    x = 3,101,033,529.72/63,616.32
  6. Step 6: Final answer
    x = 48,745.88

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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.