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Finding the Fourth Proportional to 22,794.54, 31,470.90 and 15,636.44

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Solution

The fourth proportional to 22,794.54, 31,470.90 and 15,636.44 is: 21,588.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,794.54 : 31,470.90 = 15,636.44 : x
  2. Step 2: Convert to fraction form
    22,794.54/31,470.90 = 15,636.44/x
  3. Step 3: Cross multiply
    22,794.54x = 31,470.90 × 15,636.44
  4. Step 4: Simplify right side
    22,794.54x = 492,092,839.60
  5. Step 5: Solve for x
    x = 492,092,839.60/22,794.54
  6. Step 6: Final answer
    x = 21,588.19

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