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Finding the Fourth Proportional to 39,524.24, 59,290.80 and 13,230.80

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Solution

The fourth proportional to 39,524.24, 59,290.80 and 13,230.80 is: 19,847.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,524.24 : 59,290.80 = 13,230.80 : x
  2. Step 2: Convert to fraction form
    39,524.24/59,290.80 = 13,230.80/x
  3. Step 3: Cross multiply
    39,524.24x = 59,290.80 × 13,230.80
  4. Step 4: Simplify right side
    39,524.24x = 784,464,716.64
  5. Step 5: Solve for x
    x = 784,464,716.64/39,524.24
  6. Step 6: Final answer
    x = 19,847.69

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