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Finding the Fourth Proportional to 2,747.41, 4,120.71 and 898.72

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Solution

The fourth proportional to 2,747.41, 4,120.71 and 898.72 is: 1,347.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.41 : 4,120.71 = 898.72 : x
  2. Step 2: Convert to fraction form
    2,747.41/4,120.71 = 898.72/x
  3. Step 3: Cross multiply
    2,747.41x = 4,120.71 × 898.72
  4. Step 4: Simplify right side
    2,747.41x = 3,703,364.49
  5. Step 5: Solve for x
    x = 3,703,364.49/2,747.41
  6. Step 6: Final answer
    x = 1,347.95

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