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Finding the Fourth Proportional to 84,593.80, 126,881.10 and 22,269.16

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Solution

The fourth proportional to 84,593.80, 126,881.10 and 22,269.16 is: 33,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,593.80 : 126,881.10 = 22,269.16 : x
  2. Step 2: Convert to fraction form
    84,593.80/126,881.10 = 22,269.16/x
  3. Step 3: Cross multiply
    84,593.80x = 126,881.10 × 22,269.16
  4. Step 4: Simplify right side
    84,593.80x = 2,825,535,516.88
  5. Step 5: Solve for x
    x = 2,825,535,516.88/84,593.80
  6. Step 6: Final answer
    x = 33,401.21

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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.