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Finding the Fourth Proportional to 71,513.56, 107,270.22 and 22,265.56

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Solution

The fourth proportional to 71,513.56, 107,270.22 and 22,265.56 is: 33,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,513.56 : 107,270.22 = 22,265.56 : x
  2. Step 2: Convert to fraction form
    71,513.56/107,270.22 = 22,265.56/x
  3. Step 3: Cross multiply
    71,513.56x = 107,270.22 × 22,265.56
  4. Step 4: Simplify right side
    71,513.56x = 2,388,431,519.62
  5. Step 5: Solve for x
    x = 2,388,431,519.62/71,513.56
  6. Step 6: Final answer
    x = 33,398.30

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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.