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Finding the Fourth Proportional to 33,778.88, 50,624.16 and 18,162.88

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Solution

The fourth proportional to 33,778.88, 50,624.16 and 18,162.88 is: 27,220.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,778.88 : 50,624.16 = 18,162.88 : x
  2. Step 2: Convert to fraction form
    33,778.88/50,624.16 = 18,162.88/x
  3. Step 3: Cross multiply
    33,778.88x = 50,624.16 × 18,162.88
  4. Step 4: Simplify right side
    33,778.88x = 919,480,543.18
  5. Step 5: Solve for x
    x = 919,480,543.18/33,778.88
  6. Step 6: Final answer
    x = 27,220.58

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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.