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Finding the Fourth Proportional to 22,405.73, 33,613.20 and 18,733.61

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Solution

The fourth proportional to 22,405.73, 33,613.20 and 18,733.61 is: 28,104.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,405.73 : 33,613.20 = 18,733.61 : x
  2. Step 2: Convert to fraction form
    22,405.73/33,613.20 = 18,733.61/x
  3. Step 3: Cross multiply
    22,405.73x = 33,613.20 × 18,733.61
  4. Step 4: Simplify right side
    22,405.73x = 629,696,663.69
  5. Step 5: Solve for x
    x = 629,696,663.69/22,405.73
  6. Step 6: Final answer
    x = 28,104.28

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