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Finding the Fourth Proportional to 6,866.10, 9,475.26 and 3,722.28

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Solution

The fourth proportional to 6,866.10, 9,475.26 and 3,722.28 is: 5,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.10 : 9,475.26 = 3,722.28 : x
  2. Step 2: Convert to fraction form
    6,866.10/9,475.26 = 3,722.28/x
  3. Step 3: Cross multiply
    6,866.10x = 9,475.26 × 3,722.28
  4. Step 4: Simplify right side
    6,866.10x = 35,269,570.79
  5. Step 5: Solve for x
    x = 35,269,570.79/6,866.10
  6. Step 6: Final answer
    x = 5,136.77

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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.