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Finding the Fourth Proportional to 66,935.25, 100,403.22 and 22,562.39

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Solution

The fourth proportional to 66,935.25, 100,403.22 and 22,562.39 is: 33,843.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,935.25 : 100,403.22 = 22,562.39 : x
  2. Step 2: Convert to fraction form
    66,935.25/100,403.22 = 22,562.39/x
  3. Step 3: Cross multiply
    66,935.25x = 100,403.22 × 22,562.39
  4. Step 4: Simplify right side
    66,935.25x = 2,265,336,104.88
  5. Step 5: Solve for x
    x = 2,265,336,104.88/66,935.25
  6. Step 6: Final answer
    x = 33,843.69

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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.