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Finding the Fourth Proportional to 33,781.60, 50,672.40 and 27,560.80

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Solution

The fourth proportional to 33,781.60, 50,672.40 and 27,560.80 is: 41,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,781.60 : 50,672.40 = 27,560.80 : x
  2. Step 2: Convert to fraction form
    33,781.60/50,672.40 = 27,560.80/x
  3. Step 3: Cross multiply
    33,781.60x = 50,672.40 × 27,560.80
  4. Step 4: Simplify right side
    33,781.60x = 1,396,571,881.92
  5. Step 5: Solve for x
    x = 1,396,571,881.92/33,781.60
  6. Step 6: Final answer
    x = 41,341.20

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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.