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Finding the Fourth Proportional to 22,621.44, 33,907.44 and 19,324.56

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Solution

The fourth proportional to 22,621.44, 33,907.44 and 19,324.56 is: 28,965.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,621.44 : 33,907.44 = 19,324.56 : x
  2. Step 2: Convert to fraction form
    22,621.44/33,907.44 = 19,324.56/x
  3. Step 3: Cross multiply
    22,621.44x = 33,907.44 × 19,324.56
  4. Step 4: Simplify right side
    22,621.44x = 655,246,358.73
  5. Step 5: Solve for x
    x = 655,246,358.73/22,621.44
  6. Step 6: Final answer
    x = 28,965.72

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Similar ratio
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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.