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Finding the Fourth Proportional to 22,798.80, 31,444.20 and 16,869.60

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Solution

The fourth proportional to 22,798.80, 31,444.20 and 16,869.60 is: 23,266.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,798.80 : 31,444.20 = 16,869.60 : x
  2. Step 2: Convert to fraction form
    22,798.80/31,444.20 = 16,869.60/x
  3. Step 3: Cross multiply
    22,798.80x = 31,444.20 × 16,869.60
  4. Step 4: Simplify right side
    22,798.80x = 530,451,076.32
  5. Step 5: Solve for x
    x = 530,451,076.32/22,798.80
  6. Step 6: Final answer
    x = 23,266.62

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