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Finding the Fourth Proportional to 22,529.80, 33,794.70 and 21,144.70

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Solution

The fourth proportional to 22,529.80, 33,794.70 and 21,144.70 is: 31,717.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,529.80 : 33,794.70 = 21,144.70 : x
  2. Step 2: Convert to fraction form
    22,529.80/33,794.70 = 21,144.70/x
  3. Step 3: Cross multiply
    22,529.80x = 33,794.70 × 21,144.70
  4. Step 4: Simplify right side
    22,529.80x = 714,578,793.09
  5. Step 5: Solve for x
    x = 714,578,793.09/22,529.80
  6. Step 6: Final answer
    x = 31,717.05

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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.