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Finding the Fourth Proportional to 3,429.22, 5,144.13 and 964.06

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Solution

The fourth proportional to 3,429.22, 5,144.13 and 964.06 is: 1,446.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.22 : 5,144.13 = 964.06 : x
  2. Step 2: Convert to fraction form
    3,429.22/5,144.13 = 964.06/x
  3. Step 3: Cross multiply
    3,429.22x = 5,144.13 × 964.06
  4. Step 4: Simplify right side
    3,429.22x = 4,959,249.97
  5. Step 5: Solve for x
    x = 4,959,249.97/3,429.22
  6. Step 6: Final answer
    x = 1,446.17

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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.