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Finding the Fourth Proportional to 9,297.76, 13,942.24 and 5,403.36

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Solution

The fourth proportional to 9,297.76, 13,942.24 and 5,403.36 is: 8,102.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,297.76 : 13,942.24 = 5,403.36 : x
  2. Step 2: Convert to fraction form
    9,297.76/13,942.24 = 5,403.36/x
  3. Step 3: Cross multiply
    9,297.76x = 13,942.24 × 5,403.36
  4. Step 4: Simplify right side
    9,297.76x = 75,334,941.93
  5. Step 5: Solve for x
    x = 75,334,941.93/9,297.76
  6. Step 6: Final answer
    x = 8,102.48

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