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Finding the Fourth Proportional to 22,484.75, 33,728.79 and 8,633.75

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Solution

The fourth proportional to 22,484.75, 33,728.79 and 8,633.75 is: 12,951.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,484.75 : 33,728.79 = 8,633.75 : x
  2. Step 2: Convert to fraction form
    22,484.75/33,728.79 = 8,633.75/x
  3. Step 3: Cross multiply
    22,484.75x = 33,728.79 × 8,633.75
  4. Step 4: Simplify right side
    22,484.75x = 291,205,940.66
  5. Step 5: Solve for x
    x = 291,205,940.66/22,484.75
  6. Step 6: Final answer
    x = 12,951.26

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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.