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Finding the Fourth Proportional to 6,604.45, 9,114.15 and 3,620.41

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Solution

The fourth proportional to 6,604.45, 9,114.15 and 3,620.41 is: 4,996.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,604.45 : 9,114.15 = 3,620.41 : x
  2. Step 2: Convert to fraction form
    6,604.45/9,114.15 = 3,620.41/x
  3. Step 3: Cross multiply
    6,604.45x = 9,114.15 × 3,620.41
  4. Step 4: Simplify right side
    6,604.45x = 32,997,001.86
  5. Step 5: Solve for x
    x = 32,997,001.86/6,604.45
  6. Step 6: Final answer
    x = 4,996.17

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