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Finding the Fourth Proportional to 11,576, 17,366.96 and 3,368

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Solution

The fourth proportional to 11,576, 17,366.96 and 3,368 is: 5,052.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576 : 17,366.96 = 3,368 : x
  2. Step 2: Convert to fraction form
    11,576/17,366.96 = 3,368/x
  3. Step 3: Cross multiply
    11,576x = 17,366.96 × 3,368
  4. Step 4: Simplify right side
    11,576x = 58,491,921.28
  5. Step 5: Solve for x
    x = 58,491,921.28/11,576
  6. Step 6: Final answer
    x = 5,052.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.