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Finding the Fourth Proportional to 3,370.96, 5,048 and 2,134.64

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Solution

The fourth proportional to 3,370.96, 5,048 and 2,134.64 is: 3,196.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.96 : 5,048 = 2,134.64 : x
  2. Step 2: Convert to fraction form
    3,370.96/5,048 = 2,134.64/x
  3. Step 3: Cross multiply
    3,370.96x = 5,048 × 2,134.64
  4. Step 4: Simplify right side
    3,370.96x = 10,775,662.72
  5. Step 5: Solve for x
    x = 10,775,662.72/3,370.96
  6. Step 6: Final answer
    x = 3,196.62

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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.