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Finding the Fourth Proportional to 35,691.36, 49,254.72 and 21,540.96

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Solution

The fourth proportional to 35,691.36, 49,254.72 and 21,540.96 is: 29,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,691.36 : 49,254.72 = 21,540.96 : x
  2. Step 2: Convert to fraction form
    35,691.36/49,254.72 = 21,540.96/x
  3. Step 3: Cross multiply
    35,691.36x = 49,254.72 × 21,540.96
  4. Step 4: Simplify right side
    35,691.36x = 1,060,993,953.33
  5. Step 5: Solve for x
    x = 1,060,993,953.33/35,691.36
  6. Step 6: Final answer
    x = 29,726.91

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