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Finding the Fourth Proportional to 3,698.87, 5,548.39 and 1,233.89

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Solution

The fourth proportional to 3,698.87, 5,548.39 and 1,233.89 is: 1,850.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.87 : 5,548.39 = 1,233.89 : x
  2. Step 2: Convert to fraction form
    3,698.87/5,548.39 = 1,233.89/x
  3. Step 3: Cross multiply
    3,698.87x = 5,548.39 × 1,233.89
  4. Step 4: Simplify right side
    3,698.87x = 6,846,102.94
  5. Step 5: Solve for x
    x = 6,846,102.94/3,698.87
  6. Step 6: Final answer
    x = 1,850.86

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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.