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Finding the Fourth Proportional to 43,047.45, 64,544.75 and 16,721.44

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Solution

The fourth proportional to 43,047.45, 64,544.75 and 16,721.44 is: 25,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,047.45 : 64,544.75 = 16,721.44 : x
  2. Step 2: Convert to fraction form
    43,047.45/64,544.75 = 16,721.44/x
  3. Step 3: Cross multiply
    43,047.45x = 64,544.75 × 16,721.44
  4. Step 4: Simplify right side
    43,047.45x = 1,079,280,982.18
  5. Step 5: Solve for x
    x = 1,079,280,982.18/43,047.45
  6. Step 6: Final answer
    x = 25,071.89

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