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Finding the Fourth Proportional to 12,648.26, 17,454.50 and 6,983.01

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Solution

The fourth proportional to 12,648.26, 17,454.50 and 6,983.01 is: 9,636.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648.26 : 17,454.50 = 6,983.01 : x
  2. Step 2: Convert to fraction form
    12,648.26/17,454.50 = 6,983.01/x
  3. Step 3: Cross multiply
    12,648.26x = 17,454.50 × 6,983.01
  4. Step 4: Simplify right side
    12,648.26x = 121,884,860.77
  5. Step 5: Solve for x
    x = 121,884,860.77/12,648.26
  6. Step 6: Final answer
    x = 9,636.49

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