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Finding the Fourth Proportional to 3,859.33, 5,790.01 and 1,669.60

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Solution

The fourth proportional to 3,859.33, 5,790.01 and 1,669.60 is: 2,504.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.33 : 5,790.01 = 1,669.60 : x
  2. Step 2: Convert to fraction form
    3,859.33/5,790.01 = 1,669.60/x
  3. Step 3: Cross multiply
    3,859.33x = 5,790.01 × 1,669.60
  4. Step 4: Simplify right side
    3,859.33x = 9,667,000.70
  5. Step 5: Solve for x
    x = 9,667,000.70/3,859.33
  6. Step 6: Final answer
    x = 2,504.84

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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.