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Finding the Fourth Proportional to 16,938.54, 25,407.83 and 7,072.44

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Solution

The fourth proportional to 16,938.54, 25,407.83 and 7,072.44 is: 10,608.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.54 : 25,407.83 = 7,072.44 : x
  2. Step 2: Convert to fraction form
    16,938.54/25,407.83 = 7,072.44/x
  3. Step 3: Cross multiply
    16,938.54x = 25,407.83 × 7,072.44
  4. Step 4: Simplify right side
    16,938.54x = 179,695,317.84
  5. Step 5: Solve for x
    x = 179,695,317.84/16,938.54
  6. Step 6: Final answer
    x = 10,608.67

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