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Finding the Fourth Proportional to 6,604.88, 9,114.44 and 3,620.61

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Solution

The fourth proportional to 6,604.88, 9,114.44 and 3,620.61 is: 4,996.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,604.88 : 9,114.44 = 3,620.61 : x
  2. Step 2: Convert to fraction form
    6,604.88/9,114.44 = 3,620.61/x
  3. Step 3: Cross multiply
    6,604.88x = 9,114.44 × 3,620.61
  4. Step 4: Simplify right side
    6,604.88x = 32,999,814.51
  5. Step 5: Solve for x
    x = 32,999,814.51/6,604.88
  6. Step 6: Final answer
    x = 4,996.28

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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.