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Finding the Fourth Proportional to 5,001.72, 6,903 and 2,906.52

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Solution

The fourth proportional to 5,001.72, 6,903 and 2,906.52 is: 4,011.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.72 : 6,903 = 2,906.52 : x
  2. Step 2: Convert to fraction form
    5,001.72/6,903 = 2,906.52/x
  3. Step 3: Cross multiply
    5,001.72x = 6,903 × 2,906.52
  4. Step 4: Simplify right side
    5,001.72x = 20,063,707.56
  5. Step 5: Solve for x
    x = 20,063,707.56/5,001.72
  6. Step 6: Final answer
    x = 4,011.36

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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.