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Finding the Fourth Proportional to 3,367.70, 5,060.49 and 1,808.85

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Solution

The fourth proportional to 3,367.70, 5,060.49 and 1,808.85 is: 2,718.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.70 : 5,060.49 = 1,808.85 : x
  2. Step 2: Convert to fraction form
    3,367.70/5,060.49 = 1,808.85/x
  3. Step 3: Cross multiply
    3,367.70x = 5,060.49 × 1,808.85
  4. Step 4: Simplify right side
    3,367.70x = 9,153,667.34
  5. Step 5: Solve for x
    x = 9,153,667.34/3,367.70
  6. Step 6: Final answer
    x = 2,718.08

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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.