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Finding the Fourth Proportional to 9,780.82, 14,673.99 and 3,941.53

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Solution

The fourth proportional to 9,780.82, 14,673.99 and 3,941.53 is: 5,913.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.82 : 14,673.99 = 3,941.53 : x
  2. Step 2: Convert to fraction form
    9,780.82/14,673.99 = 3,941.53/x
  3. Step 3: Cross multiply
    9,780.82x = 14,673.99 × 3,941.53
  4. Step 4: Simplify right side
    9,780.82x = 57,837,971.80
  5. Step 5: Solve for x
    x = 57,837,971.80/9,780.82
  6. Step 6: Final answer
    x = 5,913.41

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