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Finding the Fourth Proportional to 22,480.32, 33,724.82 and 8,628.24

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Solution

The fourth proportional to 22,480.32, 33,724.82 and 8,628.24 is: 12,944.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,480.32 : 33,724.82 = 8,628.24 : x
  2. Step 2: Convert to fraction form
    22,480.32/33,724.82 = 8,628.24/x
  3. Step 3: Cross multiply
    22,480.32x = 33,724.82 × 8,628.24
  4. Step 4: Simplify right side
    22,480.32x = 290,985,840.92
  5. Step 5: Solve for x
    x = 290,985,840.92/22,480.32
  6. Step 6: Final answer
    x = 12,944.03

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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.