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Finding the Fourth Proportional to 3,282.50, 4,923.91 and 942.27

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Solution

The fourth proportional to 3,282.50, 4,923.91 and 942.27 is: 1,413.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.50 : 4,923.91 = 942.27 : x
  2. Step 2: Convert to fraction form
    3,282.50/4,923.91 = 942.27/x
  3. Step 3: Cross multiply
    3,282.50x = 4,923.91 × 942.27
  4. Step 4: Simplify right side
    3,282.50x = 4,639,635.39
  5. Step 5: Solve for x
    x = 4,639,635.39/3,282.50
  6. Step 6: Final answer
    x = 1,413.44

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1.5x scale

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.