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Finding the Fourth Proportional to 6,651.22, 9,977.09 and 2,490.79

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Solution

The fourth proportional to 6,651.22, 9,977.09 and 2,490.79 is: 3,736.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.22 : 9,977.09 = 2,490.79 : x
  2. Step 2: Convert to fraction form
    6,651.22/9,977.09 = 2,490.79/x
  3. Step 3: Cross multiply
    6,651.22x = 9,977.09 × 2,490.79
  4. Step 4: Simplify right side
    6,651.22x = 24,850,836.00
  5. Step 5: Solve for x
    x = 24,850,836.00/6,651.22
  6. Step 6: Final answer
    x = 3,736.28

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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.