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Finding the Fourth Proportional to 22,562.64, 33,812.91 and 19,213.56

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Solution

The fourth proportional to 22,562.64, 33,812.91 and 19,213.56 is: 28,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,562.64 : 33,812.91 = 19,213.56 : x
  2. Step 2: Convert to fraction form
    22,562.64/33,812.91 = 19,213.56/x
  3. Step 3: Cross multiply
    22,562.64x = 33,812.91 × 19,213.56
  4. Step 4: Simplify right side
    22,562.64x = 649,666,375.06
  5. Step 5: Solve for x
    x = 649,666,375.06/22,562.64
  6. Step 6: Final answer
    x = 28,793.90

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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.