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Finding the Fourth Proportional to 5,634.56, 8,452.04 and 2,171

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Solution

The fourth proportional to 5,634.56, 8,452.04 and 2,171 is: 3,256.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,634.56 : 8,452.04 = 2,171 : x
  2. Step 2: Convert to fraction form
    5,634.56/8,452.04 = 2,171/x
  3. Step 3: Cross multiply
    5,634.56x = 8,452.04 × 2,171
  4. Step 4: Simplify right side
    5,634.56x = 18,349,378.84
  5. Step 5: Solve for x
    x = 18,349,378.84/5,634.56
  6. Step 6: Final answer
    x = 3,256.58

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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.