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Finding the Fourth Proportional to 5,972.15, 8,959.75 and 4,220.63

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Solution

The fourth proportional to 5,972.15, 8,959.75 and 4,220.63 is: 6,332.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972.15 : 8,959.75 = 4,220.63 : x
  2. Step 2: Convert to fraction form
    5,972.15/8,959.75 = 4,220.63/x
  3. Step 3: Cross multiply
    5,972.15x = 8,959.75 × 4,220.63
  4. Step 4: Simplify right side
    5,972.15x = 37,815,734.29
  5. Step 5: Solve for x
    x = 37,815,734.29/5,972.15
  6. Step 6: Final answer
    x = 6,332.02

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