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Finding the Fourth Proportional to 29,622.70, 44,446.20 and 10,911.70

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Solution

The fourth proportional to 29,622.70, 44,446.20 and 10,911.70 is: 16,372.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,622.70 : 44,446.20 = 10,911.70 : x
  2. Step 2: Convert to fraction form
    29,622.70/44,446.20 = 10,911.70/x
  3. Step 3: Cross multiply
    29,622.70x = 44,446.20 × 10,911.70
  4. Step 4: Simplify right side
    29,622.70x = 484,983,600.54
  5. Step 5: Solve for x
    x = 484,983,600.54/29,622.70
  6. Step 6: Final answer
    x = 16,372.03

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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.