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Finding the Fourth Proportional to 24,786.64, 34,204.80 and 13,455.60

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Solution

The fourth proportional to 24,786.64, 34,204.80 and 13,455.60 is: 18,568.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,786.64 : 34,204.80 = 13,455.60 : x
  2. Step 2: Convert to fraction form
    24,786.64/34,204.80 = 13,455.60/x
  3. Step 3: Cross multiply
    24,786.64x = 34,204.80 × 13,455.60
  4. Step 4: Simplify right side
    24,786.64x = 460,246,106.88
  5. Step 5: Solve for x
    x = 460,246,106.88/24,786.64
  6. Step 6: Final answer
    x = 18,568.31

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