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Finding the Fourth Proportional to 3,847.44, 5,776.12 and 3,303.12

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Solution

The fourth proportional to 3,847.44, 5,776.12 and 3,303.12 is: 4,958.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.44 : 5,776.12 = 3,303.12 : x
  2. Step 2: Convert to fraction form
    3,847.44/5,776.12 = 3,303.12/x
  3. Step 3: Cross multiply
    3,847.44x = 5,776.12 × 3,303.12
  4. Step 4: Simplify right side
    3,847.44x = 19,079,217.49
  5. Step 5: Solve for x
    x = 19,079,217.49/3,847.44
  6. Step 6: Final answer
    x = 4,958.94

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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.