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Finding the Fourth Proportional to 22,290.88, 33,440.03 and 8,250.91

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Solution

The fourth proportional to 22,290.88, 33,440.03 and 8,250.91 is: 12,377.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,290.88 : 33,440.03 = 8,250.91 : x
  2. Step 2: Convert to fraction form
    22,290.88/33,440.03 = 8,250.91/x
  3. Step 3: Cross multiply
    22,290.88x = 33,440.03 × 8,250.91
  4. Step 4: Simplify right side
    22,290.88x = 275,910,760.51
  5. Step 5: Solve for x
    x = 275,910,760.51/22,290.88
  6. Step 6: Final answer
    x = 12,377.74

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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.