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Finding the Fourth Proportional to 10,613.02, 15,919.57 and 3,217.54

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Solution

The fourth proportional to 10,613.02, 15,919.57 and 3,217.54 is: 4,826.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,613.02 : 15,919.57 = 3,217.54 : x
  2. Step 2: Convert to fraction form
    10,613.02/15,919.57 = 3,217.54/x
  3. Step 3: Cross multiply
    10,613.02x = 15,919.57 × 3,217.54
  4. Step 4: Simplify right side
    10,613.02x = 51,221,813.57
  5. Step 5: Solve for x
    x = 51,221,813.57/10,613.02
  6. Step 6: Final answer
    x = 4,826.32

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