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Finding the Fourth Proportional to 3,379.56, 5,045.13 and 3,356.28

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Solution

The fourth proportional to 3,379.56, 5,045.13 and 3,356.28 is: 5,010.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.56 : 5,045.13 = 3,356.28 : x
  2. Step 2: Convert to fraction form
    3,379.56/5,045.13 = 3,356.28/x
  3. Step 3: Cross multiply
    3,379.56x = 5,045.13 × 3,356.28
  4. Step 4: Simplify right side
    3,379.56x = 16,932,868.92
  5. Step 5: Solve for x
    x = 16,932,868.92/3,379.56
  6. Step 6: Final answer
    x = 5,010.38

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.