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Finding the Fourth Proportional to 22,550.28, 33,826.20 and 7,758.88

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Solution

The fourth proportional to 22,550.28, 33,826.20 and 7,758.88 is: 11,638.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,550.28 : 33,826.20 = 7,758.88 : x
  2. Step 2: Convert to fraction form
    22,550.28/33,826.20 = 7,758.88/x
  3. Step 3: Cross multiply
    22,550.28x = 33,826.20 × 7,758.88
  4. Step 4: Simplify right side
    22,550.28x = 262,453,426.66
  5. Step 5: Solve for x
    x = 262,453,426.66/22,550.28
  6. Step 6: Final answer
    x = 11,638.59

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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.