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Finding the Fourth Proportional to 66,828.73, 92,223.61 and 36,615.97

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Solution

The fourth proportional to 66,828.73, 92,223.61 and 36,615.97 is: 50,530.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,828.73 : 92,223.61 = 36,615.97 : x
  2. Step 2: Convert to fraction form
    66,828.73/92,223.61 = 36,615.97/x
  3. Step 3: Cross multiply
    66,828.73x = 92,223.61 × 36,615.97
  4. Step 4: Simplify right side
    66,828.73x = 3,376,856,937.05
  5. Step 5: Solve for x
    x = 3,376,856,937.05/66,828.73
  6. Step 6: Final answer
    x = 50,530.02

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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.