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Finding the Fourth Proportional to 22,388.70, 33,581.97 and 8,348.70

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Solution

The fourth proportional to 22,388.70, 33,581.97 and 8,348.70 is: 12,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,388.70 : 33,581.97 = 8,348.70 : x
  2. Step 2: Convert to fraction form
    22,388.70/33,581.97 = 8,348.70/x
  3. Step 3: Cross multiply
    22,388.70x = 33,581.97 × 8,348.70
  4. Step 4: Simplify right side
    22,388.70x = 280,365,792.94
  5. Step 5: Solve for x
    x = 280,365,792.94/22,388.70
  6. Step 6: Final answer
    x = 12,522.65

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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.