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Finding the Fourth Proportional to 5,331, 7,361.28 and 3,344.88

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Solution

The fourth proportional to 5,331, 7,361.28 and 3,344.88 is: 4,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331 : 7,361.28 = 3,344.88 : x
  2. Step 2: Convert to fraction form
    5,331/7,361.28 = 3,344.88/x
  3. Step 3: Cross multiply
    5,331x = 7,361.28 × 3,344.88
  4. Step 4: Simplify right side
    5,331x = 24,622,598.25
  5. Step 5: Solve for x
    x = 24,622,598.25/5,331
  6. Step 6: Final answer
    x = 4,618.76

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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.