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Finding the Fourth Proportional to 14,608.14, 20,160.66 and 8,641.73

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Solution

The fourth proportional to 14,608.14, 20,160.66 and 8,641.73 is: 11,926.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,608.14 : 20,160.66 = 8,641.73 : x
  2. Step 2: Convert to fraction form
    14,608.14/20,160.66 = 8,641.73/x
  3. Step 3: Cross multiply
    14,608.14x = 20,160.66 × 8,641.73
  4. Step 4: Simplify right side
    14,608.14x = 174,222,998.34
  5. Step 5: Solve for x
    x = 174,222,998.34/14,608.14
  6. Step 6: Final answer
    x = 11,926.43

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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.