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Finding the Fourth Proportional to 21,906.98, 32,870.83 and 11,371.40

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Solution

The fourth proportional to 21,906.98, 32,870.83 and 11,371.40 is: 17,062.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,906.98 : 32,870.83 = 11,371.40 : x
  2. Step 2: Convert to fraction form
    21,906.98/32,870.83 = 11,371.40/x
  3. Step 3: Cross multiply
    21,906.98x = 32,870.83 × 11,371.40
  4. Step 4: Simplify right side
    21,906.98x = 373,787,356.26
  5. Step 5: Solve for x
    x = 373,787,356.26/21,906.98
  6. Step 6: Final answer
    x = 17,062.48

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