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Finding the Fourth Proportional to 22,145.56, 33,223.80 and 11,057.56

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Solution

The fourth proportional to 22,145.56, 33,223.80 and 11,057.56 is: 16,589.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145.56 : 33,223.80 = 11,057.56 : x
  2. Step 2: Convert to fraction form
    22,145.56/33,223.80 = 11,057.56/x
  3. Step 3: Cross multiply
    22,145.56x = 33,223.80 × 11,057.56
  4. Step 4: Simplify right side
    22,145.56x = 367,374,161.93
  5. Step 5: Solve for x
    x = 367,374,161.93/22,145.56
  6. Step 6: Final answer
    x = 16,589.07

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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.