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Finding the Fourth Proportional to 7,755.62, 11,634.64 and 3,599.91

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Solution

The fourth proportional to 7,755.62, 11,634.64 and 3,599.91 is: 5,400.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.62 : 11,634.64 = 3,599.91 : x
  2. Step 2: Convert to fraction form
    7,755.62/11,634.64 = 3,599.91/x
  3. Step 3: Cross multiply
    7,755.62x = 11,634.64 × 3,599.91
  4. Step 4: Simplify right side
    7,755.62x = 41,883,647.88
  5. Step 5: Solve for x
    x = 41,883,647.88/7,755.62
  6. Step 6: Final answer
    x = 5,400.43

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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.