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Finding the Fourth Proportional to 29,647.78, 40,924.34 and 18,325.96

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Solution

The fourth proportional to 29,647.78, 40,924.34 and 18,325.96 is: 25,296.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,647.78 : 40,924.34 = 18,325.96 : x
  2. Step 2: Convert to fraction form
    29,647.78/40,924.34 = 18,325.96/x
  3. Step 3: Cross multiply
    29,647.78x = 40,924.34 × 18,325.96
  4. Step 4: Simplify right side
    29,647.78x = 749,977,817.87
  5. Step 5: Solve for x
    x = 749,977,817.87/29,647.78
  6. Step 6: Final answer
    x = 25,296.26

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