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Finding the Fourth Proportional to 13,734.71, 20,601.91 and 3,346.46

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Solution

The fourth proportional to 13,734.71, 20,601.91 and 3,346.46 is: 5,019.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.71 : 20,601.91 = 3,346.46 : x
  2. Step 2: Convert to fraction form
    13,734.71/20,601.91 = 3,346.46/x
  3. Step 3: Cross multiply
    13,734.71x = 20,601.91 × 3,346.46
  4. Step 4: Simplify right side
    13,734.71x = 68,943,446.17
  5. Step 5: Solve for x
    x = 68,943,446.17/13,734.71
  6. Step 6: Final answer
    x = 5,019.65

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