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Finding the Fourth Proportional to 22,153.70, 33,220.79 and 8,110.08

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Solution

The fourth proportional to 22,153.70, 33,220.79 and 8,110.08 is: 12,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,153.70 : 33,220.79 = 8,110.08 : x
  2. Step 2: Convert to fraction form
    22,153.70/33,220.79 = 8,110.08/x
  3. Step 3: Cross multiply
    22,153.70x = 33,220.79 × 8,110.08
  4. Step 4: Simplify right side
    22,153.70x = 269,423,264.56
  5. Step 5: Solve for x
    x = 269,423,264.56/22,153.70
  6. Step 6: Final answer
    x = 12,161.55

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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.