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Finding the Fourth Proportional to 33,269.70, 49,878.02 and 19,213.76

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Solution

The fourth proportional to 33,269.70, 49,878.02 and 19,213.76 is: 28,805.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,269.70 : 49,878.02 = 19,213.76 : x
  2. Step 2: Convert to fraction form
    33,269.70/49,878.02 = 19,213.76/x
  3. Step 3: Cross multiply
    33,269.70x = 49,878.02 × 19,213.76
  4. Step 4: Simplify right side
    33,269.70x = 958,344,305.56
  5. Step 5: Solve for x
    x = 958,344,305.56/33,269.70
  6. Step 6: Final answer
    x = 28,805.32

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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.