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Finding the Fourth Proportional to 33,066, 49,586.76 and 10,872.90

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Solution

The fourth proportional to 33,066, 49,586.76 and 10,872.90 is: 16,305.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,066 : 49,586.76 = 10,872.90 : x
  2. Step 2: Convert to fraction form
    33,066/49,586.76 = 10,872.90/x
  3. Step 3: Cross multiply
    33,066x = 49,586.76 × 10,872.90
  4. Step 4: Simplify right side
    33,066x = 539,151,882.80
  5. Step 5: Solve for x
    x = 539,151,882.80/33,066
  6. Step 6: Final answer
    x = 16,305.33

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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.