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Finding the Fourth Proportional to 2,833.27, 4,249.91 and 885.63

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Solution

The fourth proportional to 2,833.27, 4,249.91 and 885.63 is: 1,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.27 : 4,249.91 = 885.63 : x
  2. Step 2: Convert to fraction form
    2,833.27/4,249.91 = 885.63/x
  3. Step 3: Cross multiply
    2,833.27x = 4,249.91 × 885.63
  4. Step 4: Simplify right side
    2,833.27x = 3,763,847.79
  5. Step 5: Solve for x
    x = 3,763,847.79/2,833.27
  6. Step 6: Final answer
    x = 1,328.45

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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.