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Finding the Fourth Proportional to 7,755.56, 11,633.37 and 2,491.37

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Solution

The fourth proportional to 7,755.56, 11,633.37 and 2,491.37 is: 3,737.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.56 : 11,633.37 = 2,491.37 : x
  2. Step 2: Convert to fraction form
    7,755.56/11,633.37 = 2,491.37/x
  3. Step 3: Cross multiply
    7,755.56x = 11,633.37 × 2,491.37
  4. Step 4: Simplify right side
    7,755.56x = 28,983,029.02
  5. Step 5: Solve for x
    x = 28,983,029.02/7,755.56
  6. Step 6: Final answer
    x = 3,737.06

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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.