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Finding the Fourth Proportional to 35,255.25, 48,650.63 and 21,115.89

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Solution

The fourth proportional to 35,255.25, 48,650.63 and 21,115.89 is: 29,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,255.25 : 48,650.63 = 21,115.89 : x
  2. Step 2: Convert to fraction form
    35,255.25/48,650.63 = 21,115.89/x
  3. Step 3: Cross multiply
    35,255.25x = 48,650.63 × 21,115.89
  4. Step 4: Simplify right side
    35,255.25x = 1,027,301,245.93
  5. Step 5: Solve for x
    x = 1,027,301,245.93/35,255.25
  6. Step 6: Final answer
    x = 29,138.96

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