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Finding the Fourth Proportional to 22,309.21, 33,453.05 and 12,951.58

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Solution

The fourth proportional to 22,309.21, 33,453.05 and 12,951.58 is: 19,421.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,309.21 : 33,453.05 = 12,951.58 : x
  2. Step 2: Convert to fraction form
    22,309.21/33,453.05 = 12,951.58/x
  3. Step 3: Cross multiply
    22,309.21x = 33,453.05 × 12,951.58
  4. Step 4: Simplify right side
    22,309.21x = 433,269,846.57
  5. Step 5: Solve for x
    x = 433,269,846.57/22,309.21
  6. Step 6: Final answer
    x = 19,421.12

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