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Finding the Fourth Proportional to 3,948.98, 5,923.49 and 1,609.02

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Solution

The fourth proportional to 3,948.98, 5,923.49 and 1,609.02 is: 2,413.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.98 : 5,923.49 = 1,609.02 : x
  2. Step 2: Convert to fraction form
    3,948.98/5,923.49 = 1,609.02/x
  3. Step 3: Cross multiply
    3,948.98x = 5,923.49 × 1,609.02
  4. Step 4: Simplify right side
    3,948.98x = 9,531,005.83
  5. Step 5: Solve for x
    x = 9,531,005.83/3,948.98
  6. Step 6: Final answer
    x = 2,413.54

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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.