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Finding the Fourth Proportional to 4,736.92, 7,105.26 and 1,449.88

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Solution

The fourth proportional to 4,736.92, 7,105.26 and 1,449.88 is: 2,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,736.92 : 7,105.26 = 1,449.88 : x
  2. Step 2: Convert to fraction form
    4,736.92/7,105.26 = 1,449.88/x
  3. Step 3: Cross multiply
    4,736.92x = 7,105.26 × 1,449.88
  4. Step 4: Simplify right side
    4,736.92x = 10,301,774.37
  5. Step 5: Solve for x
    x = 10,301,774.37/4,736.92
  6. Step 6: Final answer
    x = 2,174.78

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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.