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Finding the Fourth Proportional to 1,383.03, 1,908.50 and 793.44

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Solution

The fourth proportional to 1,383.03, 1,908.50 and 793.44 is: 1,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383.03 : 1,908.50 = 793.44 : x
  2. Step 2: Convert to fraction form
    1,383.03/1,908.50 = 793.44/x
  3. Step 3: Cross multiply
    1,383.03x = 1,908.50 × 793.44
  4. Step 4: Simplify right side
    1,383.03x = 1,514,276.27
  5. Step 5: Solve for x
    x = 1,514,276.27/1,383.03
  6. Step 6: Final answer
    x = 1,094.90

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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.