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Finding the Fourth Proportional to 14,615.62, 20,169.75 and 8,647.14

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Solution

The fourth proportional to 14,615.62, 20,169.75 and 8,647.14 is: 11,933.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.62 : 20,169.75 = 8,647.14 : x
  2. Step 2: Convert to fraction form
    14,615.62/20,169.75 = 8,647.14/x
  3. Step 3: Cross multiply
    14,615.62x = 20,169.75 × 8,647.14
  4. Step 4: Simplify right side
    14,615.62x = 174,410,652.02
  5. Step 5: Solve for x
    x = 174,410,652.02/14,615.62
  6. Step 6: Final answer
    x = 11,933.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.