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Finding the Fourth Proportional to 51,524.84, 71,105.85 and 28,863.78

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Solution

The fourth proportional to 51,524.84, 71,105.85 and 28,863.78 is: 39,832.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,524.84 : 71,105.85 = 28,863.78 : x
  2. Step 2: Convert to fraction form
    51,524.84/71,105.85 = 28,863.78/x
  3. Step 3: Cross multiply
    51,524.84x = 71,105.85 × 28,863.78
  4. Step 4: Simplify right side
    51,524.84x = 2,052,383,344.47
  5. Step 5: Solve for x
    x = 2,052,383,344.47/51,524.84
  6. Step 6: Final answer
    x = 39,832.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.