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Finding the Fourth Proportional to 3,167.64, 4,751.46 and 2,194.43

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Solution

The fourth proportional to 3,167.64, 4,751.46 and 2,194.43 is: 3,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.64 : 4,751.46 = 2,194.43 : x
  2. Step 2: Convert to fraction form
    3,167.64/4,751.46 = 2,194.43/x
  3. Step 3: Cross multiply
    3,167.64x = 4,751.46 × 2,194.43
  4. Step 4: Simplify right side
    3,167.64x = 10,426,722.61
  5. Step 5: Solve for x
    x = 10,426,722.61/3,167.64
  6. Step 6: Final answer
    x = 3,291.64

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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.