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Finding the Fourth Proportional to 45,726.38, 68,529.42 and 19,398.54

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Solution

The fourth proportional to 45,726.38, 68,529.42 and 19,398.54 is: 29,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,726.38 : 68,529.42 = 19,398.54 : x
  2. Step 2: Convert to fraction form
    45,726.38/68,529.42 = 19,398.54/x
  3. Step 3: Cross multiply
    45,726.38x = 68,529.42 × 19,398.54
  4. Step 4: Simplify right side
    45,726.38x = 1,329,370,695.05
  5. Step 5: Solve for x
    x = 1,329,370,695.05/45,726.38
  6. Step 6: Final answer
    x = 29,072.30

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