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Finding the Fourth Proportional to 22,620.74, 33,942.53 and 10,772.30

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Solution

The fourth proportional to 22,620.74, 33,942.53 and 10,772.30 is: 16,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,620.74 : 33,942.53 = 10,772.30 : x
  2. Step 2: Convert to fraction form
    22,620.74/33,942.53 = 10,772.30/x
  3. Step 3: Cross multiply
    22,620.74x = 33,942.53 × 10,772.30
  4. Step 4: Simplify right side
    22,620.74x = 365,639,227.71
  5. Step 5: Solve for x
    x = 365,639,227.71/22,620.74
  6. Step 6: Final answer
    x = 16,163.90

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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.