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Finding the Fourth Proportional to 21,964.44, 32,949.81 and 7,169.70

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Solution

The fourth proportional to 21,964.44, 32,949.81 and 7,169.70 is: 10,755.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,964.44 : 32,949.81 = 7,169.70 : x
  2. Step 2: Convert to fraction form
    21,964.44/32,949.81 = 7,169.70/x
  3. Step 3: Cross multiply
    21,964.44x = 32,949.81 × 7,169.70
  4. Step 4: Simplify right side
    21,964.44x = 236,240,252.76
  5. Step 5: Solve for x
    x = 236,240,252.76/21,964.44
  6. Step 6: Final answer
    x = 10,755.58

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