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Finding the Fourth Proportional to 71,581.48, 107,372.22 and 22,333.48

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Solution

The fourth proportional to 71,581.48, 107,372.22 and 22,333.48 is: 33,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,581.48 : 107,372.22 = 22,333.48 : x
  2. Step 2: Convert to fraction form
    71,581.48/107,372.22 = 22,333.48/x
  3. Step 3: Cross multiply
    71,581.48x = 107,372.22 × 22,333.48
  4. Step 4: Simplify right side
    71,581.48x = 2,397,995,327.93
  5. Step 5: Solve for x
    x = 2,397,995,327.93/71,581.48
  6. Step 6: Final answer
    x = 33,500.22

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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.