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Finding the Fourth Proportional to 13,492.37, 20,236.09 and 3,629.34

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Solution

The fourth proportional to 13,492.37, 20,236.09 and 3,629.34 is: 5,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.37 : 20,236.09 = 3,629.34 : x
  2. Step 2: Convert to fraction form
    13,492.37/20,236.09 = 3,629.34/x
  3. Step 3: Cross multiply
    13,492.37x = 20,236.09 × 3,629.34
  4. Step 4: Simplify right side
    13,492.37x = 73,443,650.88
  5. Step 5: Solve for x
    x = 73,443,650.88/13,492.37
  6. Step 6: Final answer
    x = 5,443.35

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