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Finding the Fourth Proportional to 22,593.75, 33,890.11 and 7,801.28

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Solution

The fourth proportional to 22,593.75, 33,890.11 and 7,801.28 is: 11,701.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,593.75 : 33,890.11 = 7,801.28 : x
  2. Step 2: Convert to fraction form
    22,593.75/33,890.11 = 7,801.28/x
  3. Step 3: Cross multiply
    22,593.75x = 33,890.11 × 7,801.28
  4. Step 4: Simplify right side
    22,593.75x = 264,386,028.88
  5. Step 5: Solve for x
    x = 264,386,028.88/22,593.75
  6. Step 6: Final answer
    x = 11,701.73

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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.