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Finding the Fourth Proportional to 33,269.70, 45,912.09 and 18,365.70

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Solution

The fourth proportional to 33,269.70, 45,912.09 and 18,365.70 is: 25,344.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,269.70 : 45,912.09 = 18,365.70 : x
  2. Step 2: Convert to fraction form
    33,269.70/45,912.09 = 18,365.70/x
  3. Step 3: Cross multiply
    33,269.70x = 45,912.09 × 18,365.70
  4. Step 4: Simplify right side
    33,269.70x = 843,207,671.31
  5. Step 5: Solve for x
    x = 843,207,671.31/33,269.70
  6. Step 6: Final answer
    x = 25,344.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.