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Finding the Fourth Proportional to 2,930.74, 4,393.24 and 1,175.27

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Solution

The fourth proportional to 2,930.74, 4,393.24 and 1,175.27 is: 1,761.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.74 : 4,393.24 = 1,175.27 : x
  2. Step 2: Convert to fraction form
    2,930.74/4,393.24 = 1,175.27/x
  3. Step 3: Cross multiply
    2,930.74x = 4,393.24 × 1,175.27
  4. Step 4: Simplify right side
    2,930.74x = 5,163,218.27
  5. Step 5: Solve for x
    x = 5,163,218.27/2,930.74
  6. Step 6: Final answer
    x = 1,761.75

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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.