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Finding the Fourth Proportional to 19,704.72, 29,556.18 and 4,913.22

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Solution

The fourth proportional to 19,704.72, 29,556.18 and 4,913.22 is: 7,369.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,704.72 : 29,556.18 = 4,913.22 : x
  2. Step 2: Convert to fraction form
    19,704.72/29,556.18 = 4,913.22/x
  3. Step 3: Cross multiply
    19,704.72x = 29,556.18 × 4,913.22
  4. Step 4: Simplify right side
    19,704.72x = 145,216,014.70
  5. Step 5: Solve for x
    x = 145,216,014.70/19,704.72
  6. Step 6: Final answer
    x = 7,369.61

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