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Finding the Fourth Proportional to 3,841.26, 5,764.53 and 1,342.46

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Solution

The fourth proportional to 3,841.26, 5,764.53 and 1,342.46 is: 2,014.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.26 : 5,764.53 = 1,342.46 : x
  2. Step 2: Convert to fraction form
    3,841.26/5,764.53 = 1,342.46/x
  3. Step 3: Cross multiply
    3,841.26x = 5,764.53 × 1,342.46
  4. Step 4: Simplify right side
    3,841.26x = 7,738,615.41
  5. Step 5: Solve for x
    x = 7,738,615.41/3,841.26
  6. Step 6: Final answer
    x = 2,014.61

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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.