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Finding the Fourth Proportional to 2,793.36, 4,187.44 and 943.18

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Solution

The fourth proportional to 2,793.36, 4,187.44 and 943.18 is: 1,413.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.36 : 4,187.44 = 943.18 : x
  2. Step 2: Convert to fraction form
    2,793.36/4,187.44 = 943.18/x
  3. Step 3: Cross multiply
    2,793.36x = 4,187.44 × 943.18
  4. Step 4: Simplify right side
    2,793.36x = 3,949,509.66
  5. Step 5: Solve for x
    x = 3,949,509.66/2,793.36
  6. Step 6: Final answer
    x = 1,413.89

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Why These Related Problems?

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