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Finding the Fourth Proportional to 2,480.88, 3,721.30 and 837.41

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Solution

The fourth proportional to 2,480.88, 3,721.30 and 837.41 is: 1,256.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.88 : 3,721.30 = 837.41 : x
  2. Step 2: Convert to fraction form
    2,480.88/3,721.30 = 837.41/x
  3. Step 3: Cross multiply
    2,480.88x = 3,721.30 × 837.41
  4. Step 4: Simplify right side
    2,480.88x = 3,116,253.83
  5. Step 5: Solve for x
    x = 3,116,253.83/2,480.88
  6. Step 6: Final answer
    x = 1,256.11

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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.