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Finding the Fourth Proportional to 2,495.44, 3,740.14 and 1,105.78

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Solution

The fourth proportional to 2,495.44, 3,740.14 and 1,105.78 is: 1,657.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495.44 : 3,740.14 = 1,105.78 : x
  2. Step 2: Convert to fraction form
    2,495.44/3,740.14 = 1,105.78/x
  3. Step 3: Cross multiply
    2,495.44x = 3,740.14 × 1,105.78
  4. Step 4: Simplify right side
    2,495.44x = 4,135,772.01
  5. Step 5: Solve for x
    x = 4,135,772.01/2,495.44
  6. Step 6: Final answer
    x = 1,657.33

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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.