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Finding the Fourth Proportional to 22,491.36, 33,737.22 and 10,812.78

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Solution

The fourth proportional to 22,491.36, 33,737.22 and 10,812.78 is: 16,219.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,491.36 : 33,737.22 = 10,812.78 : x
  2. Step 2: Convert to fraction form
    22,491.36/33,737.22 = 10,812.78/x
  3. Step 3: Cross multiply
    22,491.36x = 33,737.22 × 10,812.78
  4. Step 4: Simplify right side
    22,491.36x = 364,793,137.67
  5. Step 5: Solve for x
    x = 364,793,137.67/22,491.36
  6. Step 6: Final answer
    x = 16,219.26

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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.