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Finding the Fourth Proportional to 5,855.91, 8,778.91 and 2,566.51

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Solution

The fourth proportional to 5,855.91, 8,778.91 and 2,566.51 is: 3,847.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.91 : 8,778.91 = 2,566.51 : x
  2. Step 2: Convert to fraction form
    5,855.91/8,778.91 = 2,566.51/x
  3. Step 3: Cross multiply
    5,855.91x = 8,778.91 × 2,566.51
  4. Step 4: Simplify right side
    5,855.91x = 22,531,147.47
  5. Step 5: Solve for x
    x = 22,531,147.47/5,855.91
  6. Step 6: Final answer
    x = 3,847.59

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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.