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Finding the Fourth Proportional to 5,855.85, 8,083.83 and 3,619.03

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Solution

The fourth proportional to 5,855.85, 8,083.83 and 3,619.03 is: 4,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.85 : 8,083.83 = 3,619.03 : x
  2. Step 2: Convert to fraction form
    5,855.85/8,083.83 = 3,619.03/x
  3. Step 3: Cross multiply
    5,855.85x = 8,083.83 × 3,619.03
  4. Step 4: Simplify right side
    5,855.85x = 29,255,623.28
  5. Step 5: Solve for x
    x = 29,255,623.28/5,855.85
  6. Step 6: Final answer
    x = 4,995.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.