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Finding the Fourth Proportional to 13,357.64, 20,042.76 and 5,961.44

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Solution

The fourth proportional to 13,357.64, 20,042.76 and 5,961.44 is: 8,944.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.64 : 20,042.76 = 5,961.44 : x
  2. Step 2: Convert to fraction form
    13,357.64/20,042.76 = 5,961.44/x
  3. Step 3: Cross multiply
    13,357.64x = 20,042.76 × 5,961.44
  4. Step 4: Simplify right side
    13,357.64x = 119,483,711.17
  5. Step 5: Solve for x
    x = 119,483,711.17/13,357.64
  6. Step 6: Final answer
    x = 8,944.97

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