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Finding the Fourth Proportional to 66,824.65, 92,217.25 and 36,197.16

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Solution

The fourth proportional to 66,824.65, 92,217.25 and 36,197.16 is: 49,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,824.65 : 92,217.25 = 36,197.16 : x
  2. Step 2: Convert to fraction form
    66,824.65/92,217.25 = 36,197.16/x
  3. Step 3: Cross multiply
    66,824.65x = 92,217.25 × 36,197.16
  4. Step 4: Simplify right side
    66,824.65x = 3,338,002,372.02
  5. Step 5: Solve for x
    x = 3,338,002,372.02/66,824.65
  6. Step 6: Final answer
    x = 49,951.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.