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Finding the Fourth Proportional to 11,259.40, 16,845.90 and 7,371.40

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Solution

The fourth proportional to 11,259.40, 16,845.90 and 7,371.40 is: 11,028.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.40 : 16,845.90 = 7,371.40 : x
  2. Step 2: Convert to fraction form
    11,259.40/16,845.90 = 7,371.40/x
  3. Step 3: Cross multiply
    11,259.40x = 16,845.90 × 7,371.40
  4. Step 4: Simplify right side
    11,259.40x = 124,177,867.26
  5. Step 5: Solve for x
    x = 124,177,867.26/11,259.40
  6. Step 6: Final answer
    x = 11,028.82

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