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Finding the Fourth Proportional to 13,463.92, 20,194.34 and 3,603.98

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Solution

The fourth proportional to 13,463.92, 20,194.34 and 3,603.98 is: 5,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.92 : 20,194.34 = 3,603.98 : x
  2. Step 2: Convert to fraction form
    13,463.92/20,194.34 = 3,603.98/x
  3. Step 3: Cross multiply
    13,463.92x = 20,194.34 × 3,603.98
  4. Step 4: Simplify right side
    13,463.92x = 72,779,997.47
  5. Step 5: Solve for x
    x = 72,779,997.47/13,463.92
  6. Step 6: Final answer
    x = 5,405.56

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