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Finding the Fourth Proportional to 13,732.62, 20,594.88 and 7,155.42

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Solution

The fourth proportional to 13,732.62, 20,594.88 and 7,155.42 is: 10,731.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.62 : 20,594.88 = 7,155.42 : x
  2. Step 2: Convert to fraction form
    13,732.62/20,594.88 = 7,155.42/x
  3. Step 3: Cross multiply
    13,732.62x = 20,594.88 × 7,155.42
  4. Step 4: Simplify right side
    13,732.62x = 147,365,016.25
  5. Step 5: Solve for x
    x = 147,365,016.25/13,732.62
  6. Step 6: Final answer
    x = 10,731.02

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