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Finding the Fourth Proportional to 2,944.40, 4,413.86 and 995.24

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Solution

The fourth proportional to 2,944.40, 4,413.86 and 995.24 is: 1,491.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,944.40 : 4,413.86 = 995.24 : x
  2. Step 2: Convert to fraction form
    2,944.40/4,413.86 = 995.24/x
  3. Step 3: Cross multiply
    2,944.40x = 4,413.86 × 995.24
  4. Step 4: Simplify right side
    2,944.40x = 4,392,845.05
  5. Step 5: Solve for x
    x = 4,392,845.05/2,944.40
  6. Step 6: Final answer
    x = 1,491.93

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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.