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Finding the Fourth Proportional to 22,797.28, 34,192.49 and 7,212.88

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Solution

The fourth proportional to 22,797.28, 34,192.49 and 7,212.88 is: 10,818.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,797.28 : 34,192.49 = 7,212.88 : x
  2. Step 2: Convert to fraction form
    22,797.28/34,192.49 = 7,212.88/x
  3. Step 3: Cross multiply
    22,797.28x = 34,192.49 × 7,212.88
  4. Step 4: Simplify right side
    22,797.28x = 246,626,327.27
  5. Step 5: Solve for x
    x = 246,626,327.27/22,797.28
  6. Step 6: Final answer
    x = 10,818.23

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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.