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Finding the Fourth Proportional to 22,118.75, 33,148.53 and 8,065.56

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Solution

The fourth proportional to 22,118.75, 33,148.53 and 8,065.56 is: 12,087.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,118.75 : 33,148.53 = 8,065.56 : x
  2. Step 2: Convert to fraction form
    22,118.75/33,148.53 = 8,065.56/x
  3. Step 3: Cross multiply
    22,118.75x = 33,148.53 × 8,065.56
  4. Step 4: Simplify right side
    22,118.75x = 267,361,291.88
  5. Step 5: Solve for x
    x = 267,361,291.88/22,118.75
  6. Step 6: Final answer
    x = 12,087.54

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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.