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Finding the Fourth Proportional to 22,997.40, 34,496.10 and 8,206.80

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Solution

The fourth proportional to 22,997.40, 34,496.10 and 8,206.80 is: 12,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,997.40 : 34,496.10 = 8,206.80 : x
  2. Step 2: Convert to fraction form
    22,997.40/34,496.10 = 8,206.80/x
  3. Step 3: Cross multiply
    22,997.40x = 34,496.10 × 8,206.80
  4. Step 4: Simplify right side
    22,997.40x = 283,102,593.48
  5. Step 5: Solve for x
    x = 283,102,593.48/22,997.40
  6. Step 6: Final answer
    x = 12,310.20

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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.