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Finding the Fourth Proportional to 62,919.59, 86,832.78 and 36,063.84

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Solution

The fourth proportional to 62,919.59, 86,832.78 and 36,063.84 is: 49,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,919.59 : 86,832.78 = 36,063.84 : x
  2. Step 2: Convert to fraction form
    62,919.59/86,832.78 = 36,063.84/x
  3. Step 3: Cross multiply
    62,919.59x = 86,832.78 × 36,063.84
  4. Step 4: Simplify right side
    62,919.59x = 3,131,523,484.68
  5. Step 5: Solve for x
    x = 3,131,523,484.68/62,919.59
  6. Step 6: Final answer
    x = 49,770.25

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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.