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Finding the Fourth Proportional to 2,898.06, 4,348.16 and 1,338.81

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Solution

The fourth proportional to 2,898.06, 4,348.16 and 1,338.81 is: 2,008.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.06 : 4,348.16 = 1,338.81 : x
  2. Step 2: Convert to fraction form
    2,898.06/4,348.16 = 1,338.81/x
  3. Step 3: Cross multiply
    2,898.06x = 4,348.16 × 1,338.81
  4. Step 4: Simplify right side
    2,898.06x = 5,821,360.09
  5. Step 5: Solve for x
    x = 5,821,360.09/2,898.06
  6. Step 6: Final answer
    x = 2,008.71

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