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Finding the Fourth Proportional to 5,372.94, 7,414.79 and 3,015.26

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Solution

The fourth proportional to 5,372.94, 7,414.79 and 3,015.26 is: 4,161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.94 : 7,414.79 = 3,015.26 : x
  2. Step 2: Convert to fraction form
    5,372.94/7,414.79 = 3,015.26/x
  3. Step 3: Cross multiply
    5,372.94x = 7,414.79 × 3,015.26
  4. Step 4: Simplify right side
    5,372.94x = 22,357,519.70
  5. Step 5: Solve for x
    x = 22,357,519.70/5,372.94
  6. Step 6: Final answer
    x = 4,161.13

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