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Finding the Fourth Proportional to 6,742.32, 10,111.05 and 4,662.24

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Solution

The fourth proportional to 6,742.32, 10,111.05 and 4,662.24 is: 6,991.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.32 : 10,111.05 = 4,662.24 : x
  2. Step 2: Convert to fraction form
    6,742.32/10,111.05 = 4,662.24/x
  3. Step 3: Cross multiply
    6,742.32x = 10,111.05 × 4,662.24
  4. Step 4: Simplify right side
    6,742.32x = 47,140,141.75
  5. Step 5: Solve for x
    x = 47,140,141.75/6,742.32
  6. Step 6: Final answer
    x = 6,991.68

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