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Finding the Fourth Proportional to 10,563.28, 15,841.26 and 5,012.86

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Solution

The fourth proportional to 10,563.28, 15,841.26 and 5,012.86 is: 7,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,563.28 : 15,841.26 = 5,012.86 : x
  2. Step 2: Convert to fraction form
    10,563.28/15,841.26 = 5,012.86/x
  3. Step 3: Cross multiply
    10,563.28x = 15,841.26 × 5,012.86
  4. Step 4: Simplify right side
    10,563.28x = 79,409,939.40
  5. Step 5: Solve for x
    x = 79,409,939.40/10,563.28
  6. Step 6: Final answer
    x = 7,517.55

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