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Finding the Fourth Proportional to 40,393.05, 60,589.59 and 19,328.13

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Solution

The fourth proportional to 40,393.05, 60,589.59 and 19,328.13 is: 28,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,393.05 : 60,589.59 = 19,328.13 : x
  2. Step 2: Convert to fraction form
    40,393.05/60,589.59 = 19,328.13/x
  3. Step 3: Cross multiply
    40,393.05x = 60,589.59 × 19,328.13
  4. Step 4: Simplify right side
    40,393.05x = 1,171,083,399.69
  5. Step 5: Solve for x
    x = 1,171,083,399.69/40,393.05
  6. Step 6: Final answer
    x = 28,992.20

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