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Finding the Fourth Proportional to 22,690.01, 33,965.34 and 20,551.61

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Solution

The fourth proportional to 22,690.01, 33,965.34 and 20,551.61 is: 30,764.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,690.01 : 33,965.34 = 20,551.61 : x
  2. Step 2: Convert to fraction form
    22,690.01/33,965.34 = 20,551.61/x
  3. Step 3: Cross multiply
    22,690.01x = 33,965.34 × 20,551.61
  4. Step 4: Simplify right side
    22,690.01x = 698,042,251.37
  5. Step 5: Solve for x
    x = 698,042,251.37/22,690.01
  6. Step 6: Final answer
    x = 30,764.31

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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.