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Finding the Fourth Proportional to 2,764.42, 3,814.86 and 1,522.42

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Solution

The fourth proportional to 2,764.42, 3,814.86 and 1,522.42 is: 2,100.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.42 : 3,814.86 = 1,522.42 : x
  2. Step 2: Convert to fraction form
    2,764.42/3,814.86 = 1,522.42/x
  3. Step 3: Cross multiply
    2,764.42x = 3,814.86 × 1,522.42
  4. Step 4: Simplify right side
    2,764.42x = 5,807,819.16
  5. Step 5: Solve for x
    x = 5,807,819.16/2,764.42
  6. Step 6: Final answer
    x = 2,100.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.