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Finding the Fourth Proportional to 9,907.05, 14,860.80 and 3,984.54

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Solution

The fourth proportional to 9,907.05, 14,860.80 and 3,984.54 is: 5,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.05 : 14,860.80 = 3,984.54 : x
  2. Step 2: Convert to fraction form
    9,907.05/14,860.80 = 3,984.54/x
  3. Step 3: Cross multiply
    9,907.05x = 14,860.80 × 3,984.54
  4. Step 4: Simplify right side
    9,907.05x = 59,213,452.03
  5. Step 5: Solve for x
    x = 59,213,452.03/9,907.05
  6. Step 6: Final answer
    x = 5,976.90

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