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Finding the Fourth Proportional to 10,698.78, 14,763.92 and 5,982.76

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Solution

The fourth proportional to 10,698.78, 14,763.92 and 5,982.76 is: 8,255.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,698.78 : 14,763.92 = 5,982.76 : x
  2. Step 2: Convert to fraction form
    10,698.78/14,763.92 = 5,982.76/x
  3. Step 3: Cross multiply
    10,698.78x = 14,763.92 × 5,982.76
  4. Step 4: Simplify right side
    10,698.78x = 88,329,012.21
  5. Step 5: Solve for x
    x = 88,329,012.21/10,698.78
  6. Step 6: Final answer
    x = 8,255.99

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