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Finding the Fourth Proportional to 6,918.26, 10,363.61 and 6,351.26

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Solution

The fourth proportional to 6,918.26, 10,363.61 and 6,351.26 is: 9,514.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.26 : 10,363.61 = 6,351.26 : x
  2. Step 2: Convert to fraction form
    6,918.26/10,363.61 = 6,351.26/x
  3. Step 3: Cross multiply
    6,918.26x = 10,363.61 × 6,351.26
  4. Step 4: Simplify right side
    6,918.26x = 65,821,945.71
  5. Step 5: Solve for x
    x = 65,821,945.71/6,918.26
  6. Step 6: Final answer
    x = 9,514.24

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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.