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Finding the Fourth Proportional to 1,375.92, 2,051.46 and 1,361.52

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Solution

The fourth proportional to 1,375.92, 2,051.46 and 1,361.52 is: 2,029.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375.92 : 2,051.46 = 1,361.52 : x
  2. Step 2: Convert to fraction form
    1,375.92/2,051.46 = 1,361.52/x
  3. Step 3: Cross multiply
    1,375.92x = 2,051.46 × 1,361.52
  4. Step 4: Simplify right side
    1,375.92x = 2,793,103.82
  5. Step 5: Solve for x
    x = 2,793,103.82/1,375.92
  6. Step 6: Final answer
    x = 2,029.99

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.