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Finding the Fourth Proportional to 4,947.86, 7,424.22 and 2,027

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Solution

The fourth proportional to 4,947.86, 7,424.22 and 2,027 is: 3,041.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.86 : 7,424.22 = 2,027 : x
  2. Step 2: Convert to fraction form
    4,947.86/7,424.22 = 2,027/x
  3. Step 3: Cross multiply
    4,947.86x = 7,424.22 × 2,027
  4. Step 4: Simplify right side
    4,947.86x = 15,048,893.94
  5. Step 5: Solve for x
    x = 15,048,893.94/4,947.86
  6. Step 6: Final answer
    x = 3,041.50

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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.