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Finding the Fourth Proportional to 1,335.68, 1,843.17 and 746.10

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Solution

The fourth proportional to 1,335.68, 1,843.17 and 746.10 is: 1,029.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.68 : 1,843.17 = 746.10 : x
  2. Step 2: Convert to fraction form
    1,335.68/1,843.17 = 746.10/x
  3. Step 3: Cross multiply
    1,335.68x = 1,843.17 × 746.10
  4. Step 4: Simplify right side
    1,335.68x = 1,375,189.14
  5. Step 5: Solve for x
    x = 1,375,189.14/1,335.68
  6. Step 6: Final answer
    x = 1,029.58

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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.