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Finding the Fourth Proportional to 6,215.16, 9,335.70 and 3,623.16

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Solution

The fourth proportional to 6,215.16, 9,335.70 and 3,623.16 is: 5,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.16 : 9,335.70 = 3,623.16 : x
  2. Step 2: Convert to fraction form
    6,215.16/9,335.70 = 3,623.16/x
  3. Step 3: Cross multiply
    6,215.16x = 9,335.70 × 3,623.16
  4. Step 4: Simplify right side
    6,215.16x = 33,824,734.81
  5. Step 5: Solve for x
    x = 33,824,734.81/6,215.16
  6. Step 6: Final answer
    x = 5,442.30

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