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Finding the Fourth Proportional to 5,789.48, 8,682.41 and 2,091.24

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Solution

The fourth proportional to 5,789.48, 8,682.41 and 2,091.24 is: 3,136.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.48 : 8,682.41 = 2,091.24 : x
  2. Step 2: Convert to fraction form
    5,789.48/8,682.41 = 2,091.24/x
  3. Step 3: Cross multiply
    5,789.48x = 8,682.41 × 2,091.24
  4. Step 4: Simplify right side
    5,789.48x = 18,156,992.63
  5. Step 5: Solve for x
    x = 18,156,992.63/5,789.48
  6. Step 6: Final answer
    x = 3,136.21

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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.