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Finding the Fourth Proportional to 43,696.26, 65,544.12 and 12,531.60

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Solution

The fourth proportional to 43,696.26, 65,544.12 and 12,531.60 is: 18,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,696.26 : 65,544.12 = 12,531.60 : x
  2. Step 2: Convert to fraction form
    43,696.26/65,544.12 = 12,531.60/x
  3. Step 3: Cross multiply
    43,696.26x = 65,544.12 × 12,531.60
  4. Step 4: Simplify right side
    43,696.26x = 821,372,694.19
  5. Step 5: Solve for x
    x = 821,372,694.19/43,696.26
  6. Step 6: Final answer
    x = 18,797.32

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