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Finding the Fourth Proportional to 63,919.82, 88,213.20 and 35,239.44

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Solution

The fourth proportional to 63,919.82, 88,213.20 and 35,239.44 is: 48,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,919.82 : 88,213.20 = 35,239.44 : x
  2. Step 2: Convert to fraction form
    63,919.82/88,213.20 = 35,239.44/x
  3. Step 3: Cross multiply
    63,919.82x = 88,213.20 × 35,239.44
  4. Step 4: Simplify right side
    63,919.82x = 3,108,583,768.61
  5. Step 5: Solve for x
    x = 3,108,583,768.61/63,919.82
  6. Step 6: Final answer
    x = 48,632.55

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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.