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Finding the Fourth Proportional to 66,760.97, 92,126.58 and 36,540.44

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Solution

The fourth proportional to 66,760.97, 92,126.58 and 36,540.44 is: 50,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,760.97 : 92,126.58 = 36,540.44 : x
  2. Step 2: Convert to fraction form
    66,760.97/92,126.58 = 36,540.44/x
  3. Step 3: Cross multiply
    66,760.97x = 92,126.58 × 36,540.44
  4. Step 4: Simplify right side
    66,760.97x = 3,366,345,308.26
  5. Step 5: Solve for x
    x = 3,366,345,308.26/66,760.97
  6. Step 6: Final answer
    x = 50,423.85

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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.