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Finding the Fourth Proportional to 17,220.23, 25,799.77 and 7,202.90

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Solution

The fourth proportional to 17,220.23, 25,799.77 and 7,202.90 is: 10,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.23 : 25,799.77 = 7,202.90 : x
  2. Step 2: Convert to fraction form
    17,220.23/25,799.77 = 7,202.90/x
  3. Step 3: Cross multiply
    17,220.23x = 25,799.77 × 7,202.90
  4. Step 4: Simplify right side
    17,220.23x = 185,833,163.33
  5. Step 5: Solve for x
    x = 185,833,163.33/17,220.23
  6. Step 6: Final answer
    x = 10,791.56

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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.