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Finding the Fourth Proportional to 5,754.76, 7,939.38 and 3,396.04

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Solution

The fourth proportional to 5,754.76, 7,939.38 and 3,396.04 is: 4,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754.76 : 7,939.38 = 3,396.04 : x
  2. Step 2: Convert to fraction form
    5,754.76/7,939.38 = 3,396.04/x
  3. Step 3: Cross multiply
    5,754.76x = 7,939.38 × 3,396.04
  4. Step 4: Simplify right side
    5,754.76x = 26,962,452.06
  5. Step 5: Solve for x
    x = 26,962,452.06/5,754.76
  6. Step 6: Final answer
    x = 4,685.24

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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.