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Finding the Fourth Proportional to 1,336.05, 1,843.57 and 746.48

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Solution

The fourth proportional to 1,336.05, 1,843.57 and 746.48 is: 1,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.05 : 1,843.57 = 746.48 : x
  2. Step 2: Convert to fraction form
    1,336.05/1,843.57 = 746.48/x
  3. Step 3: Cross multiply
    1,336.05x = 1,843.57 × 746.48
  4. Step 4: Simplify right side
    1,336.05x = 1,376,188.13
  5. Step 5: Solve for x
    x = 1,376,188.13/1,336.05
  6. Step 6: Final answer
    x = 1,030.04

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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.