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Finding the Fourth Proportional to 5,316.22, 7,975.14 and 2,718.28

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Solution

The fourth proportional to 5,316.22, 7,975.14 and 2,718.28 is: 4,077.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.22 : 7,975.14 = 2,718.28 : x
  2. Step 2: Convert to fraction form
    5,316.22/7,975.14 = 2,718.28/x
  3. Step 3: Cross multiply
    5,316.22x = 7,975.14 × 2,718.28
  4. Step 4: Simplify right side
    5,316.22x = 21,678,663.56
  5. Step 5: Solve for x
    x = 21,678,663.56/5,316.22
  6. Step 6: Final answer
    x = 4,077.83

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