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Finding the Fourth Proportional to 7,992.83, 11,989.27 and 2,797.49

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Solution

The fourth proportional to 7,992.83, 11,989.27 and 2,797.49 is: 4,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.83 : 11,989.27 = 2,797.49 : x
  2. Step 2: Convert to fraction form
    7,992.83/11,989.27 = 2,797.49/x
  3. Step 3: Cross multiply
    7,992.83x = 11,989.27 × 2,797.49
  4. Step 4: Simplify right side
    7,992.83x = 33,539,896.40
  5. Step 5: Solve for x
    x = 33,539,896.40/7,992.83
  6. Step 6: Final answer
    x = 4,196.25

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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.