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Finding the Fourth Proportional to 2,481.15, 3,721.51 and 837.66

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Solution

The fourth proportional to 2,481.15, 3,721.51 and 837.66 is: 1,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.15 : 3,721.51 = 837.66 : x
  2. Step 2: Convert to fraction form
    2,481.15/3,721.51 = 837.66/x
  3. Step 3: Cross multiply
    2,481.15x = 3,721.51 × 837.66
  4. Step 4: Simplify right side
    2,481.15x = 3,117,360.07
  5. Step 5: Solve for x
    x = 3,117,360.07/2,481.15
  6. Step 6: Final answer
    x = 1,256.42

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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.