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Finding the Fourth Proportional to 6,637.35, 9,159.78 and 3,805.26

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Solution

The fourth proportional to 6,637.35, 9,159.78 and 3,805.26 is: 5,251.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.35 : 9,159.78 = 3,805.26 : x
  2. Step 2: Convert to fraction form
    6,637.35/9,159.78 = 3,805.26/x
  3. Step 3: Cross multiply
    6,637.35x = 9,159.78 × 3,805.26
  4. Step 4: Simplify right side
    6,637.35x = 34,855,344.44
  5. Step 5: Solve for x
    x = 34,855,344.44/6,637.35
  6. Step 6: Final answer
    x = 5,251.39

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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.