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Finding the Fourth Proportional to 22,403.67, 33,610.97 and 6,821.29

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Solution

The fourth proportional to 22,403.67, 33,610.97 and 6,821.29 is: 10,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,403.67 : 33,610.97 = 6,821.29 : x
  2. Step 2: Convert to fraction form
    22,403.67/33,610.97 = 6,821.29/x
  3. Step 3: Cross multiply
    22,403.67x = 33,610.97 × 6,821.29
  4. Step 4: Simplify right side
    22,403.67x = 229,270,232.62
  5. Step 5: Solve for x
    x = 229,270,232.62/22,403.67
  6. Step 6: Final answer
    x = 10,233.60

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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.