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Finding the Fourth Proportional to 22,798.28, 34,193.99 and 7,213.88

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Solution

The fourth proportional to 22,798.28, 34,193.99 and 7,213.88 is: 10,819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,798.28 : 34,193.99 = 7,213.88 : x
  2. Step 2: Convert to fraction form
    22,798.28/34,193.99 = 7,213.88/x
  3. Step 3: Cross multiply
    22,798.28x = 34,193.99 × 7,213.88
  4. Step 4: Simplify right side
    22,798.28x = 246,671,133.54
  5. Step 5: Solve for x
    x = 246,671,133.54/22,798.28
  6. Step 6: Final answer
    x = 10,819.73

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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.