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Finding the Fourth Proportional to 5,359.88, 7,396.62 and 3,002

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Solution

The fourth proportional to 5,359.88, 7,396.62 and 3,002 is: 4,142.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.88 : 7,396.62 = 3,002 : x
  2. Step 2: Convert to fraction form
    5,359.88/7,396.62 = 3,002/x
  3. Step 3: Cross multiply
    5,359.88x = 7,396.62 × 3,002
  4. Step 4: Simplify right side
    5,359.88x = 22,204,653.24
  5. Step 5: Solve for x
    x = 22,204,653.24/5,359.88
  6. Step 6: Final answer
    x = 4,142.75

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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.