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Finding the Fourth Proportional to 14,237.73, 21,327.44 and 7,997.49

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Solution

The fourth proportional to 14,237.73, 21,327.44 and 7,997.49 is: 11,979.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,237.73 : 21,327.44 = 7,997.49 : x
  2. Step 2: Convert to fraction form
    14,237.73/21,327.44 = 7,997.49/x
  3. Step 3: Cross multiply
    14,237.73x = 21,327.44 × 7,997.49
  4. Step 4: Simplify right side
    14,237.73x = 170,565,948.14
  5. Step 5: Solve for x
    x = 170,565,948.14/14,237.73
  6. Step 6: Final answer
    x = 11,979.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.