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Finding the Fourth Proportional to 11,893.92, 17,838.08 and 5,316.48

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Solution

The fourth proportional to 11,893.92, 17,838.08 and 5,316.48 is: 7,973.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893.92 : 17,838.08 = 5,316.48 : x
  2. Step 2: Convert to fraction form
    11,893.92/17,838.08 = 5,316.48/x
  3. Step 3: Cross multiply
    11,893.92x = 17,838.08 × 5,316.48
  4. Step 4: Simplify right side
    11,893.92x = 94,835,795.56
  5. Step 5: Solve for x
    x = 94,835,795.56/11,893.92
  6. Step 6: Final answer
    x = 7,973.47

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