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Finding the Fourth Proportional to 3,605.07, 5,397.13 and 3,229.90

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Solution

The fourth proportional to 3,605.07, 5,397.13 and 3,229.90 is: 4,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.07 : 5,397.13 = 3,229.90 : x
  2. Step 2: Convert to fraction form
    3,605.07/5,397.13 = 3,229.90/x
  3. Step 3: Cross multiply
    3,605.07x = 5,397.13 × 3,229.90
  4. Step 4: Simplify right side
    3,605.07x = 17,432,190.19
  5. Step 5: Solve for x
    x = 17,432,190.19/3,605.07
  6. Step 6: Final answer
    x = 4,835.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.