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Finding the Fourth Proportional to 13,600.34, 20,402.13 and 4,836.14

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Solution

The fourth proportional to 13,600.34, 20,402.13 and 4,836.14 is: 7,254.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.34 : 20,402.13 = 4,836.14 : x
  2. Step 2: Convert to fraction form
    13,600.34/20,402.13 = 4,836.14/x
  3. Step 3: Cross multiply
    13,600.34x = 20,402.13 × 4,836.14
  4. Step 4: Simplify right side
    13,600.34x = 98,667,556.98
  5. Step 5: Solve for x
    x = 98,667,556.98/13,600.34
  6. Step 6: Final answer
    x = 7,254.79

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