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Finding the Fourth Proportional to 20,468.04, 30,695.52 and 7,985.03

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Solution

The fourth proportional to 20,468.04, 30,695.52 and 7,985.03 is: 11,974.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468.04 : 30,695.52 = 7,985.03 : x
  2. Step 2: Convert to fraction form
    20,468.04/30,695.52 = 7,985.03/x
  3. Step 3: Cross multiply
    20,468.04x = 30,695.52 × 7,985.03
  4. Step 4: Simplify right side
    20,468.04x = 245,104,524.53
  5. Step 5: Solve for x
    x = 245,104,524.53/20,468.04
  6. Step 6: Final answer
    x = 11,974.99

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