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Finding the Fourth Proportional to 33,003.70, 49,505.10 and 10,817.80

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Solution

The fourth proportional to 33,003.70, 49,505.10 and 10,817.80 is: 16,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,003.70 : 49,505.10 = 10,817.80 : x
  2. Step 2: Convert to fraction form
    33,003.70/49,505.10 = 10,817.80/x
  3. Step 3: Cross multiply
    33,003.70x = 49,505.10 × 10,817.80
  4. Step 4: Simplify right side
    33,003.70x = 535,536,270.78
  5. Step 5: Solve for x
    x = 535,536,270.78/33,003.70
  6. Step 6: Final answer
    x = 16,226.55

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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.