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Finding the Fourth Proportional to 10,755.72, 16,110.06 and 7,626.24

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Solution

The fourth proportional to 10,755.72, 16,110.06 and 7,626.24 is: 11,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,755.72 : 16,110.06 = 7,626.24 : x
  2. Step 2: Convert to fraction form
    10,755.72/16,110.06 = 7,626.24/x
  3. Step 3: Cross multiply
    10,755.72x = 16,110.06 × 7,626.24
  4. Step 4: Simplify right side
    10,755.72x = 122,859,183.97
  5. Step 5: Solve for x
    x = 122,859,183.97/10,755.72
  6. Step 6: Final answer
    x = 11,422.68

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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.