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Finding the Fourth Proportional to 12,844.80, 19,268.10 and 5,448.42

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Solution

The fourth proportional to 12,844.80, 19,268.10 and 5,448.42 is: 8,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844.80 : 19,268.10 = 5,448.42 : x
  2. Step 2: Convert to fraction form
    12,844.80/19,268.10 = 5,448.42/x
  3. Step 3: Cross multiply
    12,844.80x = 19,268.10 × 5,448.42
  4. Step 4: Simplify right side
    12,844.80x = 104,980,701.40
  5. Step 5: Solve for x
    x = 104,980,701.40/12,844.80
  6. Step 6: Final answer
    x = 8,173.01

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