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Finding the Fourth Proportional to 1,383.93, 1,909.98 and 794.52

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Solution

The fourth proportional to 1,383.93, 1,909.98 and 794.52 is: 1,096.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383.93 : 1,909.98 = 794.52 : x
  2. Step 2: Convert to fraction form
    1,383.93/1,909.98 = 794.52/x
  3. Step 3: Cross multiply
    1,383.93x = 1,909.98 × 794.52
  4. Step 4: Simplify right side
    1,383.93x = 1,517,517.31
  5. Step 5: Solve for x
    x = 1,517,517.31/1,383.93
  6. Step 6: Final answer
    x = 1,096.53

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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.