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Finding the Fourth Proportional to 16,651.28, 24,985.56 and 12,072.08

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Solution

The fourth proportional to 16,651.28, 24,985.56 and 12,072.08 is: 18,114.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,651.28 : 24,985.56 = 12,072.08 : x
  2. Step 2: Convert to fraction form
    16,651.28/24,985.56 = 12,072.08/x
  3. Step 3: Cross multiply
    16,651.28x = 24,985.56 × 12,072.08
  4. Step 4: Simplify right side
    16,651.28x = 301,627,679.16
  5. Step 5: Solve for x
    x = 301,627,679.16/16,651.28
  6. Step 6: Final answer
    x = 18,114.38

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