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Finding the Fourth Proportional to 8,535.04, 12,789.12 and 4,832.64

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Solution

The fourth proportional to 8,535.04, 12,789.12 and 4,832.64 is: 7,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535.04 : 12,789.12 = 4,832.64 : x
  2. Step 2: Convert to fraction form
    8,535.04/12,789.12 = 4,832.64/x
  3. Step 3: Cross multiply
    8,535.04x = 12,789.12 × 4,832.64
  4. Step 4: Simplify right side
    8,535.04x = 61,805,212.88
  5. Step 5: Solve for x
    x = 61,805,212.88/8,535.04
  6. Step 6: Final answer
    x = 7,241.35

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