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Finding the Fourth Proportional to 9,114.73, 13,672.19 and 2,540.97

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Solution

The fourth proportional to 9,114.73, 13,672.19 and 2,540.97 is: 3,811.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.73 : 13,672.19 = 2,540.97 : x
  2. Step 2: Convert to fraction form
    9,114.73/13,672.19 = 2,540.97/x
  3. Step 3: Cross multiply
    9,114.73x = 13,672.19 × 2,540.97
  4. Step 4: Simplify right side
    9,114.73x = 34,740,630.98
  5. Step 5: Solve for x
    x = 34,740,630.98/9,114.73
  6. Step 6: Final answer
    x = 3,811.48

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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.