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Finding the Fourth Proportional to 2,717.52, 3,749.82 and 1,721.04

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Solution

The fourth proportional to 2,717.52, 3,749.82 and 1,721.04 is: 2,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.52 : 3,749.82 = 1,721.04 : x
  2. Step 2: Convert to fraction form
    2,717.52/3,749.82 = 1,721.04/x
  3. Step 3: Cross multiply
    2,717.52x = 3,749.82 × 1,721.04
  4. Step 4: Simplify right side
    2,717.52x = 6,453,590.21
  5. Step 5: Solve for x
    x = 6,453,590.21/2,717.52
  6. Step 6: Final answer
    x = 2,374.81

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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.