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Finding the Fourth Proportional to 1,335.85, 1,843.42 and 746.37

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Solution

The fourth proportional to 1,335.85, 1,843.42 and 746.37 is: 1,029.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.85 : 1,843.42 = 746.37 : x
  2. Step 2: Convert to fraction form
    1,335.85/1,843.42 = 746.37/x
  3. Step 3: Cross multiply
    1,335.85x = 1,843.42 × 746.37
  4. Step 4: Simplify right side
    1,335.85x = 1,375,871.52
  5. Step 5: Solve for x
    x = 1,375,871.52/1,335.85
  6. Step 6: Final answer
    x = 1,029.96

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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.