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Finding the Fourth Proportional to 3,731.67, 5,605.65 and 3,607.12

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Solution

The fourth proportional to 3,731.67, 5,605.65 and 3,607.12 is: 5,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.67 : 5,605.65 = 3,607.12 : x
  2. Step 2: Convert to fraction form
    3,731.67/5,605.65 = 3,607.12/x
  3. Step 3: Cross multiply
    3,731.67x = 5,605.65 × 3,607.12
  4. Step 4: Simplify right side
    3,731.67x = 20,220,252.23
  5. Step 5: Solve for x
    x = 20,220,252.23/3,731.67
  6. Step 6: Final answer
    x = 5,418.55

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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.