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Finding the Fourth Proportional to 84,593.25, 126,869.09 and 37,220.24

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Solution

The fourth proportional to 84,593.25, 126,869.09 and 37,220.24 is: 55,821.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,593.25 : 126,869.09 = 37,220.24 : x
  2. Step 2: Convert to fraction form
    84,593.25/126,869.09 = 37,220.24/x
  3. Step 3: Cross multiply
    84,593.25x = 126,869.09 × 37,220.24
  4. Step 4: Simplify right side
    84,593.25x = 4,722,098,109.45
  5. Step 5: Solve for x
    x = 4,722,098,109.45/84,593.25
  6. Step 6: Final answer
    x = 55,821.22

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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.