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Finding the Fourth Proportional to 11,574, 17,363.96 and 3,366

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Solution

The fourth proportional to 11,574, 17,363.96 and 3,366 is: 5,049.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,574 : 17,363.96 = 3,366 : x
  2. Step 2: Convert to fraction form
    11,574/17,363.96 = 3,366/x
  3. Step 3: Cross multiply
    11,574x = 17,363.96 × 3,366
  4. Step 4: Simplify right side
    11,574x = 58,447,089.36
  5. Step 5: Solve for x
    x = 58,447,089.36/11,574
  6. Step 6: Final answer
    x = 5,049.86

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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.