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Finding the Fourth Proportional to 3,908.99, 5,861.67 and 2,266.01

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Solution

The fourth proportional to 3,908.99, 5,861.67 and 2,266.01 is: 3,397.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.99 : 5,861.67 = 2,266.01 : x
  2. Step 2: Convert to fraction form
    3,908.99/5,861.67 = 2,266.01/x
  3. Step 3: Cross multiply
    3,908.99x = 5,861.67 × 2,266.01
  4. Step 4: Simplify right side
    3,908.99x = 13,282,587.01
  5. Step 5: Solve for x
    x = 13,282,587.01/3,908.99
  6. Step 6: Final answer
    x = 3,397.96

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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.