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Finding the Fourth Proportional to 5,855.77, 8,083.02 and 3,619.36

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Solution

The fourth proportional to 5,855.77, 8,083.02 and 3,619.36 is: 4,995.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.77 : 8,083.02 = 3,619.36 : x
  2. Step 2: Convert to fraction form
    5,855.77/8,083.02 = 3,619.36/x
  3. Step 3: Cross multiply
    5,855.77x = 8,083.02 × 3,619.36
  4. Step 4: Simplify right side
    5,855.77x = 29,255,359.27
  5. Step 5: Solve for x
    x = 29,255,359.27/5,855.77
  6. Step 6: Final answer
    x = 4,995.99

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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.