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Finding the Fourth Proportional to 7,908.88, 10,913.30 and 4,371.61

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Solution

The fourth proportional to 7,908.88, 10,913.30 and 4,371.61 is: 6,032.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.88 : 10,913.30 = 4,371.61 : x
  2. Step 2: Convert to fraction form
    7,908.88/10,913.30 = 4,371.61/x
  3. Step 3: Cross multiply
    7,908.88x = 10,913.30 × 4,371.61
  4. Step 4: Simplify right side
    7,908.88x = 47,708,636.85
  5. Step 5: Solve for x
    x = 47,708,636.85/7,908.88
  6. Step 6: Final answer
    x = 6,032.29

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