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Finding the Fourth Proportional to 13,699.82, 20,531.73 and 7,462.46

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Solution

The fourth proportional to 13,699.82, 20,531.73 and 7,462.46 is: 11,183.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699.82 : 20,531.73 = 7,462.46 : x
  2. Step 2: Convert to fraction form
    13,699.82/20,531.73 = 7,462.46/x
  3. Step 3: Cross multiply
    13,699.82x = 20,531.73 × 7,462.46
  4. Step 4: Simplify right side
    13,699.82x = 153,217,213.86
  5. Step 5: Solve for x
    x = 153,217,213.86/13,699.82
  6. Step 6: Final answer
    x = 11,183.89

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