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Finding the Fourth Proportional to 3,162.60, 4,744.91 and 1,519.26

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Solution

The fourth proportional to 3,162.60, 4,744.91 and 1,519.26 is: 2,279.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.60 : 4,744.91 = 1,519.26 : x
  2. Step 2: Convert to fraction form
    3,162.60/4,744.91 = 1,519.26/x
  3. Step 3: Cross multiply
    3,162.60x = 4,744.91 × 1,519.26
  4. Step 4: Simplify right side
    3,162.60x = 7,208,744.37
  5. Step 5: Solve for x
    x = 7,208,744.37/3,162.60
  6. Step 6: Final answer
    x = 2,279.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.