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Finding the Fourth Proportional to 2,491.26, 3,734.27 and 930.59

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Solution

The fourth proportional to 2,491.26, 3,734.27 and 930.59 is: 1,394.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.26 : 3,734.27 = 930.59 : x
  2. Step 2: Convert to fraction form
    2,491.26/3,734.27 = 930.59/x
  3. Step 3: Cross multiply
    2,491.26x = 3,734.27 × 930.59
  4. Step 4: Simplify right side
    2,491.26x = 3,475,074.32
  5. Step 5: Solve for x
    x = 3,475,074.32/2,491.26
  6. Step 6: Final answer
    x = 1,394.91

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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.