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Finding the Fourth Proportional to 33,458.70, 50,220.86 and 25,487.09

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Solution

The fourth proportional to 33,458.70, 50,220.86 and 25,487.09 is: 38,255.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,458.70 : 50,220.86 = 25,487.09 : x
  2. Step 2: Convert to fraction form
    33,458.70/50,220.86 = 25,487.09/x
  3. Step 3: Cross multiply
    33,458.70x = 50,220.86 × 25,487.09
  4. Step 4: Simplify right side
    33,458.70x = 1,279,983,200.16
  5. Step 5: Solve for x
    x = 1,279,983,200.16/33,458.70
  6. Step 6: Final answer
    x = 38,255.62

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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.