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Finding the Fourth Proportional to 11,755.53, 16,223.22 and 6,450.30

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Solution

The fourth proportional to 11,755.53, 16,223.22 and 6,450.30 is: 8,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.53 : 16,223.22 = 6,450.30 : x
  2. Step 2: Convert to fraction form
    11,755.53/16,223.22 = 6,450.30/x
  3. Step 3: Cross multiply
    11,755.53x = 16,223.22 × 6,450.30
  4. Step 4: Simplify right side
    11,755.53x = 104,644,635.97
  5. Step 5: Solve for x
    x = 104,644,635.97/11,755.53
  6. Step 6: Final answer
    x = 8,901.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.