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Finding the Fourth Proportional to 66,998.53, 100,512.38 and 22,623.39

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Solution

The fourth proportional to 66,998.53, 100,512.38 and 22,623.39 is: 33,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,998.53 : 100,512.38 = 22,623.39 : x
  2. Step 2: Convert to fraction form
    66,998.53/100,512.38 = 22,623.39/x
  3. Step 3: Cross multiply
    66,998.53x = 100,512.38 × 22,623.39
  4. Step 4: Simplify right side
    66,998.53x = 2,273,930,772.57
  5. Step 5: Solve for x
    x = 2,273,930,772.57/66,998.53
  6. Step 6: Final answer
    x = 33,940.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.