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Finding the Fourth Proportional to 22,157.96, 33,219.65 and 11,059.07

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Solution

The fourth proportional to 22,157.96, 33,219.65 and 11,059.07 is: 16,579.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157.96 : 33,219.65 = 11,059.07 : x
  2. Step 2: Convert to fraction form
    22,157.96/33,219.65 = 11,059.07/x
  3. Step 3: Cross multiply
    22,157.96x = 33,219.65 × 11,059.07
  4. Step 4: Simplify right side
    22,157.96x = 367,378,213.33
  5. Step 5: Solve for x
    x = 367,378,213.33/22,157.96
  6. Step 6: Final answer
    x = 16,579.97

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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.