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Finding the Fourth Proportional to 5,269.66, 7,268.81 and 3,379.26

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Solution

The fourth proportional to 5,269.66, 7,268.81 and 3,379.26 is: 4,661.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.66 : 7,268.81 = 3,379.26 : x
  2. Step 2: Convert to fraction form
    5,269.66/7,268.81 = 3,379.26/x
  3. Step 3: Cross multiply
    5,269.66x = 7,268.81 × 3,379.26
  4. Step 4: Simplify right side
    5,269.66x = 24,563,170.98
  5. Step 5: Solve for x
    x = 24,563,170.98/5,269.66
  6. Step 6: Final answer
    x = 4,661.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.