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Finding the Fourth Proportional to 9,972.33, 13,759.92 and 5,991.99

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Solution

The fourth proportional to 9,972.33, 13,759.92 and 5,991.99 is: 8,267.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972.33 : 13,759.92 = 5,991.99 : x
  2. Step 2: Convert to fraction form
    9,972.33/13,759.92 = 5,991.99/x
  3. Step 3: Cross multiply
    9,972.33x = 13,759.92 × 5,991.99
  4. Step 4: Simplify right side
    9,972.33x = 82,449,303.04
  5. Step 5: Solve for x
    x = 82,449,303.04/9,972.33
  6. Step 6: Final answer
    x = 8,267.81

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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.