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Finding the Fourth Proportional to 63,910.82, 95,832.64 and 28,356.73

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Solution

The fourth proportional to 63,910.82, 95,832.64 and 28,356.73 is: 42,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,910.82 : 95,832.64 = 28,356.73 : x
  2. Step 2: Convert to fraction form
    63,910.82/95,832.64 = 28,356.73/x
  3. Step 3: Cross multiply
    63,910.82x = 95,832.64 × 28,356.73
  4. Step 4: Simplify right side
    63,910.82x = 2,717,500,297.67
  5. Step 5: Solve for x
    x = 2,717,500,297.67/63,910.82
  6. Step 6: Final answer
    x = 42,520.19

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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.