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Finding the Fourth Proportional to 22,250.48, 33,392.16 and 17,920.20

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Solution

The fourth proportional to 22,250.48, 33,392.16 and 17,920.20 is: 26,893.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,250.48 : 33,392.16 = 17,920.20 : x
  2. Step 2: Convert to fraction form
    22,250.48/33,392.16 = 17,920.20/x
  3. Step 3: Cross multiply
    22,250.48x = 33,392.16 × 17,920.20
  4. Step 4: Simplify right side
    22,250.48x = 598,394,185.63
  5. Step 5: Solve for x
    x = 598,394,185.63/22,250.48
  6. Step 6: Final answer
    x = 26,893.54

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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.