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Finding the Fourth Proportional to 2,416.82, 3,625.39 and 773.48

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Solution

The fourth proportional to 2,416.82, 3,625.39 and 773.48 is: 1,160.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.82 : 3,625.39 = 773.48 : x
  2. Step 2: Convert to fraction form
    2,416.82/3,625.39 = 773.48/x
  3. Step 3: Cross multiply
    2,416.82x = 3,625.39 × 773.48
  4. Step 4: Simplify right side
    2,416.82x = 2,804,176.69
  5. Step 5: Solve for x
    x = 2,804,176.69/2,416.82
  6. Step 6: Final answer
    x = 1,160.28

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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.