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Finding the Fourth Proportional to 3,933.54, 5,898.43 and 2,290.54

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Solution

The fourth proportional to 3,933.54, 5,898.43 and 2,290.54 is: 3,434.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.54 : 5,898.43 = 2,290.54 : x
  2. Step 2: Convert to fraction form
    3,933.54/5,898.43 = 2,290.54/x
  3. Step 3: Cross multiply
    3,933.54x = 5,898.43 × 2,290.54
  4. Step 4: Simplify right side
    3,933.54x = 13,510,589.85
  5. Step 5: Solve for x
    x = 13,510,589.85/3,933.54
  6. Step 6: Final answer
    x = 3,434.72

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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.