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Finding the Fourth Proportional to 66,843.97, 92,243.21 and 36,628.64

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Solution

The fourth proportional to 66,843.97, 92,243.21 and 36,628.64 is: 50,546.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,843.97 : 92,243.21 = 36,628.64 : x
  2. Step 2: Convert to fraction form
    66,843.97/92,243.21 = 36,628.64/x
  3. Step 3: Cross multiply
    66,843.97x = 92,243.21 × 36,628.64
  4. Step 4: Simplify right side
    66,843.97x = 3,378,743,033.09
  5. Step 5: Solve for x
    x = 3,378,743,033.09/66,843.97
  6. Step 6: Final answer
    x = 50,546.72

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1.5x scale

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.