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Finding the Fourth Proportional to 3,864.33, 5,796.50 and 942.62

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Solution

The fourth proportional to 3,864.33, 5,796.50 and 942.62 is: 1,413.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.33 : 5,796.50 = 942.62 : x
  2. Step 2: Convert to fraction form
    3,864.33/5,796.50 = 942.62/x
  3. Step 3: Cross multiply
    3,864.33x = 5,796.50 × 942.62
  4. Step 4: Simplify right side
    3,864.33x = 5,463,863.13
  5. Step 5: Solve for x
    x = 5,463,863.13/3,864.33
  6. Step 6: Final answer
    x = 1,413.92

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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.