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Finding the Fourth Proportional to 4,721.49, 7,083.17 and 2,644.44

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Solution

The fourth proportional to 4,721.49, 7,083.17 and 2,644.44 is: 3,967.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.49 : 7,083.17 = 2,644.44 : x
  2. Step 2: Convert to fraction form
    4,721.49/7,083.17 = 2,644.44/x
  3. Step 3: Cross multiply
    4,721.49x = 7,083.17 × 2,644.44
  4. Step 4: Simplify right side
    4,721.49x = 18,731,018.07
  5. Step 5: Solve for x
    x = 18,731,018.07/4,721.49
  6. Step 6: Final answer
    x = 3,967.18

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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.