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Finding the Fourth Proportional to 22,773.26, 33,933.50 and 20,288.99

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Solution

The fourth proportional to 22,773.26, 33,933.50 and 20,288.99 is: 30,231.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,773.26 : 33,933.50 = 20,288.99 : x
  2. Step 2: Convert to fraction form
    22,773.26/33,933.50 = 20,288.99/x
  3. Step 3: Cross multiply
    22,773.26x = 33,933.50 × 20,288.99
  4. Step 4: Simplify right side
    22,773.26x = 688,476,442.17
  5. Step 5: Solve for x
    x = 688,476,442.17/22,773.26
  6. Step 6: Final answer
    x = 30,231.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.