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Finding the Fourth Proportional to 1,844.88, 2,768.04 and 1,721.04

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Solution

The fourth proportional to 1,844.88, 2,768.04 and 1,721.04 is: 2,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.88 : 2,768.04 = 1,721.04 : x
  2. Step 2: Convert to fraction form
    1,844.88/2,768.04 = 1,721.04/x
  3. Step 3: Cross multiply
    1,844.88x = 2,768.04 × 1,721.04
  4. Step 4: Simplify right side
    1,844.88x = 4,763,907.56
  5. Step 5: Solve for x
    x = 4,763,907.56/1,844.88
  6. Step 6: Final answer
    x = 2,582.23

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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.