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Finding the Fourth Proportional to 6,556.62, 9,821.97 and 4,915.02

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Solution

The fourth proportional to 6,556.62, 9,821.97 and 4,915.02 is: 7,362.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,556.62 : 9,821.97 = 4,915.02 : x
  2. Step 2: Convert to fraction form
    6,556.62/9,821.97 = 4,915.02/x
  3. Step 3: Cross multiply
    6,556.62x = 9,821.97 × 4,915.02
  4. Step 4: Simplify right side
    6,556.62x = 48,275,178.99
  5. Step 5: Solve for x
    x = 48,275,178.99/6,556.62
  6. Step 6: Final answer
    x = 7,362.81

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