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Finding the Fourth Proportional to 22,978.40, 34,467.60 and 17,794.40

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Solution

The fourth proportional to 22,978.40, 34,467.60 and 17,794.40 is: 26,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,978.40 : 34,467.60 = 17,794.40 : x
  2. Step 2: Convert to fraction form
    22,978.40/34,467.60 = 17,794.40/x
  3. Step 3: Cross multiply
    22,978.40x = 34,467.60 × 17,794.40
  4. Step 4: Simplify right side
    22,978.40x = 613,330,261.44
  5. Step 5: Solve for x
    x = 613,330,261.44/22,978.40
  6. Step 6: Final answer
    x = 26,691.60

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