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Finding the Fourth Proportional to 71,553.25, 107,329.88 and 22,305.25

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Solution

The fourth proportional to 71,553.25, 107,329.88 and 22,305.25 is: 33,457.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,553.25 : 107,329.88 = 22,305.25 : x
  2. Step 2: Convert to fraction form
    71,553.25/107,329.88 = 22,305.25/x
  3. Step 3: Cross multiply
    71,553.25x = 107,329.88 × 22,305.25
  4. Step 4: Simplify right side
    71,553.25x = 2,394,019,805.87
  5. Step 5: Solve for x
    x = 2,394,019,805.87/71,553.25
  6. Step 6: Final answer
    x = 33,457.88

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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.