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Finding the Fourth Proportional to 24,399.18, 36,606.06 and 12,720.60

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Solution

The fourth proportional to 24,399.18, 36,606.06 and 12,720.60 is: 19,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,399.18 : 36,606.06 = 12,720.60 : x
  2. Step 2: Convert to fraction form
    24,399.18/36,606.06 = 12,720.60/x
  3. Step 3: Cross multiply
    24,399.18x = 36,606.06 × 12,720.60
  4. Step 4: Simplify right side
    24,399.18x = 465,651,046.84
  5. Step 5: Solve for x
    x = 465,651,046.84/24,399.18
  6. Step 6: Final answer
    x = 19,084.70

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