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Finding the Fourth Proportional to 13,362.96, 18,449.25 and 8,584.83

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Solution

The fourth proportional to 13,362.96, 18,449.25 and 8,584.83 is: 11,852.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.96 : 18,449.25 = 8,584.83 : x
  2. Step 2: Convert to fraction form
    13,362.96/18,449.25 = 8,584.83/x
  3. Step 3: Cross multiply
    13,362.96x = 18,449.25 × 8,584.83
  4. Step 4: Simplify right side
    13,362.96x = 158,383,674.88
  5. Step 5: Solve for x
    x = 158,383,674.88/13,362.96
  6. Step 6: Final answer
    x = 11,852.44

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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.