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Finding the Fourth Proportional to 10,280.78, 14,180.13 and 7,095.28

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Solution

The fourth proportional to 10,280.78, 14,180.13 and 7,095.28 is: 9,786.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.78 : 14,180.13 = 7,095.28 : x
  2. Step 2: Convert to fraction form
    10,280.78/14,180.13 = 7,095.28/x
  3. Step 3: Cross multiply
    10,280.78x = 14,180.13 × 7,095.28
  4. Step 4: Simplify right side
    10,280.78x = 100,611,921.89
  5. Step 5: Solve for x
    x = 100,611,921.89/10,280.78
  6. Step 6: Final answer
    x = 9,786.41

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