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Finding the Fourth Proportional to 11,363.67, 17,020.89 and 5,508

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Solution

The fourth proportional to 11,363.67, 17,020.89 and 5,508 is: 8,250.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,363.67 : 17,020.89 = 5,508 : x
  2. Step 2: Convert to fraction form
    11,363.67/17,020.89 = 5,508/x
  3. Step 3: Cross multiply
    11,363.67x = 17,020.89 × 5,508
  4. Step 4: Simplify right side
    11,363.67x = 93,751,062.12
  5. Step 5: Solve for x
    x = 93,751,062.12/11,363.67
  6. Step 6: Final answer
    x = 8,250.07

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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.