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Finding the Fourth Proportional to 22,622.78, 33,934.17 and 7,040.41

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Solution

The fourth proportional to 22,622.78, 33,934.17 and 7,040.41 is: 10,560.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,622.78 : 33,934.17 = 7,040.41 : x
  2. Step 2: Convert to fraction form
    22,622.78/33,934.17 = 7,040.41/x
  3. Step 3: Cross multiply
    22,622.78x = 33,934.17 × 7,040.41
  4. Step 4: Simplify right side
    22,622.78x = 238,910,469.81
  5. Step 5: Solve for x
    x = 238,910,469.81/22,622.78
  6. Step 6: Final answer
    x = 10,560.62

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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.