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Finding the Fourth Proportional to 6,708.04, 9,991.10 and 6,356.76

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Solution

The fourth proportional to 6,708.04, 9,991.10 and 6,356.76 is: 9,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,708.04 : 9,991.10 = 6,356.76 : x
  2. Step 2: Convert to fraction form
    6,708.04/9,991.10 = 6,356.76/x
  3. Step 3: Cross multiply
    6,708.04x = 9,991.10 × 6,356.76
  4. Step 4: Simplify right side
    6,708.04x = 63,511,024.84
  5. Step 5: Solve for x
    x = 63,511,024.84/6,708.04
  6. Step 6: Final answer
    x = 9,467.90

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