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Finding the Fourth Proportional to 19,981.89, 29,965.55 and 8,296.02

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Solution

The fourth proportional to 19,981.89, 29,965.55 and 8,296.02 is: 12,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.89 : 29,965.55 = 8,296.02 : x
  2. Step 2: Convert to fraction form
    19,981.89/29,965.55 = 8,296.02/x
  3. Step 3: Cross multiply
    19,981.89x = 29,965.55 × 8,296.02
  4. Step 4: Simplify right side
    19,981.89x = 248,594,760.63
  5. Step 5: Solve for x
    x = 248,594,760.63/19,981.89
  6. Step 6: Final answer
    x = 12,441.00

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