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Finding the Fourth Proportional to 22,617.12, 33,912.98 and 9,299.41

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Solution

The fourth proportional to 22,617.12, 33,912.98 and 9,299.41 is: 13,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,617.12 : 33,912.98 = 9,299.41 : x
  2. Step 2: Convert to fraction form
    22,617.12/33,912.98 = 9,299.41/x
  3. Step 3: Cross multiply
    22,617.12x = 33,912.98 × 9,299.41
  4. Step 4: Simplify right side
    22,617.12x = 315,370,608.94
  5. Step 5: Solve for x
    x = 315,370,608.94/22,617.12
  6. Step 6: Final answer
    x = 13,943.89

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1.5x scale

Why These Related Problems?

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