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Finding the Fourth Proportional to 52,979.36, 79,468.83 and 13,536.41

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Solution

The fourth proportional to 52,979.36, 79,468.83 and 13,536.41 is: 20,304.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,979.36 : 79,468.83 = 13,536.41 : x
  2. Step 2: Convert to fraction form
    52,979.36/79,468.83 = 13,536.41/x
  3. Step 3: Cross multiply
    52,979.36x = 79,468.83 × 13,536.41
  4. Step 4: Simplify right side
    52,979.36x = 1,075,722,267.76
  5. Step 5: Solve for x
    x = 1,075,722,267.76/52,979.36
  6. Step 6: Final answer
    x = 20,304.56

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