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Finding the Fourth Proportional to 1,335.57, 1,843.08 and 746.09

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Solution

The fourth proportional to 1,335.57, 1,843.08 and 746.09 is: 1,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.57 : 1,843.08 = 746.09 : x
  2. Step 2: Convert to fraction form
    1,335.57/1,843.08 = 746.09/x
  3. Step 3: Cross multiply
    1,335.57x = 1,843.08 × 746.09
  4. Step 4: Simplify right side
    1,335.57x = 1,375,103.56
  5. Step 5: Solve for x
    x = 1,375,103.56/1,335.57
  6. Step 6: Final answer
    x = 1,029.60

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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.