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Finding the Fourth Proportional to 17,922.22, 26,879.72 and 11,255.74

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Solution

The fourth proportional to 17,922.22, 26,879.72 and 11,255.74 is: 16,881.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,922.22 : 26,879.72 = 11,255.74 : x
  2. Step 2: Convert to fraction form
    17,922.22/26,879.72 = 11,255.74/x
  3. Step 3: Cross multiply
    17,922.22x = 26,879.72 × 11,255.74
  4. Step 4: Simplify right side
    17,922.22x = 302,551,139.59
  5. Step 5: Solve for x
    x = 302,551,139.59/17,922.22
  6. Step 6: Final answer
    x = 16,881.34

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