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Finding the Fourth Proportional to 4,805.36, 6,631 and 2,710

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Solution

The fourth proportional to 4,805.36, 6,631 and 2,710 is: 3,739.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.36 : 6,631 = 2,710 : x
  2. Step 2: Convert to fraction form
    4,805.36/6,631 = 2,710/x
  3. Step 3: Cross multiply
    4,805.36x = 6,631 × 2,710
  4. Step 4: Simplify right side
    4,805.36x = 17,970,010
  5. Step 5: Solve for x
    x = 17,970,010/4,805.36
  6. Step 6: Final answer
    x = 3,739.58

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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.