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Finding the Fourth Proportional to 5,747.99, 8,620.25 and 2,049.72

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Solution

The fourth proportional to 5,747.99, 8,620.25 and 2,049.72 is: 3,073.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.99 : 8,620.25 = 2,049.72 : x
  2. Step 2: Convert to fraction form
    5,747.99/8,620.25 = 2,049.72/x
  3. Step 3: Cross multiply
    5,747.99x = 8,620.25 × 2,049.72
  4. Step 4: Simplify right side
    5,747.99x = 17,669,088.58
  5. Step 5: Solve for x
    x = 17,669,088.58/5,747.99
  6. Step 6: Final answer
    x = 3,073.96

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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.