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Finding the Fourth Proportional to 50,057.49, 69,072.49 and 29,910.09

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Solution

The fourth proportional to 50,057.49, 69,072.49 and 29,910.09 is: 41,271.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,057.49 : 69,072.49 = 29,910.09 : x
  2. Step 2: Convert to fraction form
    50,057.49/69,072.49 = 29,910.09/x
  3. Step 3: Cross multiply
    50,057.49x = 69,072.49 × 29,910.09
  4. Step 4: Simplify right side
    50,057.49x = 2,065,964,392.42
  5. Step 5: Solve for x
    x = 2,065,964,392.42/50,057.49
  6. Step 6: Final answer
    x = 41,271.83

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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.