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Finding the Fourth Proportional to 7,092.48, 10,621.44 and 6,885.12

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Solution

The fourth proportional to 7,092.48, 10,621.44 and 6,885.12 is: 10,310.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.48 : 10,621.44 = 6,885.12 : x
  2. Step 2: Convert to fraction form
    7,092.48/10,621.44 = 6,885.12/x
  3. Step 3: Cross multiply
    7,092.48x = 10,621.44 × 6,885.12
  4. Step 4: Simplify right side
    7,092.48x = 73,129,888.97
  5. Step 5: Solve for x
    x = 73,129,888.97/7,092.48
  6. Step 6: Final answer
    x = 10,310.91

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