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Finding the Fourth Proportional to 13,167.76, 18,171.52 and 7,199.44

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Solution

The fourth proportional to 13,167.76, 18,171.52 and 7,199.44 is: 9,935.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167.76 : 18,171.52 = 7,199.44 : x
  2. Step 2: Convert to fraction form
    13,167.76/18,171.52 = 7,199.44/x
  3. Step 3: Cross multiply
    13,167.76x = 18,171.52 × 7,199.44
  4. Step 4: Simplify right side
    13,167.76x = 130,824,767.95
  5. Step 5: Solve for x
    x = 130,824,767.95/13,167.76
  6. Step 6: Final answer
    x = 9,935.23

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