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Finding the Fourth Proportional to 10,531.96, 15,790.62 and 5,334.28

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Solution

The fourth proportional to 10,531.96, 15,790.62 and 5,334.28 is: 7,997.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.96 : 15,790.62 = 5,334.28 : x
  2. Step 2: Convert to fraction form
    10,531.96/15,790.62 = 5,334.28/x
  3. Step 3: Cross multiply
    10,531.96x = 15,790.62 × 5,334.28
  4. Step 4: Simplify right side
    10,531.96x = 84,231,588.45
  5. Step 5: Solve for x
    x = 84,231,588.45/10,531.96
  6. Step 6: Final answer
    x = 7,997.71

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