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Finding the Fourth Proportional to 7,351.70, 11,027.48 and 1,805.22

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Solution

The fourth proportional to 7,351.70, 11,027.48 and 1,805.22 is: 2,707.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.70 : 11,027.48 = 1,805.22 : x
  2. Step 2: Convert to fraction form
    7,351.70/11,027.48 = 1,805.22/x
  3. Step 3: Cross multiply
    7,351.70x = 11,027.48 × 1,805.22
  4. Step 4: Simplify right side
    7,351.70x = 19,907,018.42
  5. Step 5: Solve for x
    x = 19,907,018.42/7,351.70
  6. Step 6: Final answer
    x = 2,707.81

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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.