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Finding the Fourth Proportional to 33,219.32, 49,828.20 and 8,259.44

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Solution

The fourth proportional to 33,219.32, 49,828.20 and 8,259.44 is: 12,388.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,219.32 : 49,828.20 = 8,259.44 : x
  2. Step 2: Convert to fraction form
    33,219.32/49,828.20 = 8,259.44/x
  3. Step 3: Cross multiply
    33,219.32x = 49,828.20 × 8,259.44
  4. Step 4: Simplify right side
    33,219.32x = 411,553,028.21
  5. Step 5: Solve for x
    x = 411,553,028.21/33,219.32
  6. Step 6: Final answer
    x = 12,388.97

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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.