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Finding the Fourth Proportional to 66,811.43, 92,198.96 and 36,596.41

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Solution

The fourth proportional to 66,811.43, 92,198.96 and 36,596.41 is: 50,502.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,811.43 : 92,198.96 = 36,596.41 : x
  2. Step 2: Convert to fraction form
    66,811.43/92,198.96 = 36,596.41/x
  3. Step 3: Cross multiply
    66,811.43x = 92,198.96 × 36,596.41
  4. Step 4: Simplify right side
    66,811.43x = 3,374,150,665.49
  5. Step 5: Solve for x
    x = 3,374,150,665.49/66,811.43
  6. Step 6: Final answer
    x = 50,502.59

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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.