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Finding the Fourth Proportional to 1,517.73, 2,094.43 and 845.53

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Solution

The fourth proportional to 1,517.73, 2,094.43 and 845.53 is: 1,166.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.73 : 2,094.43 = 845.53 : x
  2. Step 2: Convert to fraction form
    1,517.73/2,094.43 = 845.53/x
  3. Step 3: Cross multiply
    1,517.73x = 2,094.43 × 845.53
  4. Step 4: Simplify right side
    1,517.73x = 1,770,903.40
  5. Step 5: Solve for x
    x = 1,770,903.40/1,517.73
  6. Step 6: Final answer
    x = 1,166.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.