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Finding the Fourth Proportional to 8,168.16, 12,236.84 and 4,826.45

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Solution

The fourth proportional to 8,168.16, 12,236.84 and 4,826.45 is: 7,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.16 : 12,236.84 = 4,826.45 : x
  2. Step 2: Convert to fraction form
    8,168.16/12,236.84 = 4,826.45/x
  3. Step 3: Cross multiply
    8,168.16x = 12,236.84 × 4,826.45
  4. Step 4: Simplify right side
    8,168.16x = 59,060,411.10
  5. Step 5: Solve for x
    x = 59,060,411.10/8,168.16
  6. Step 6: Final answer
    x = 7,230.56

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