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Finding the Fourth Proportional to 1,830.78, 2,747.42 and 735.23

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Solution

The fourth proportional to 1,830.78, 2,747.42 and 735.23 is: 1,103.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.78 : 2,747.42 = 735.23 : x
  2. Step 2: Convert to fraction form
    1,830.78/2,747.42 = 735.23/x
  3. Step 3: Cross multiply
    1,830.78x = 2,747.42 × 735.23
  4. Step 4: Simplify right side
    1,830.78x = 2,019,976.10
  5. Step 5: Solve for x
    x = 2,019,976.10/1,830.78
  6. Step 6: Final answer
    x = 1,103.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.