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Finding the Fourth Proportional to 17,425.28, 26,137.92 and 5,741.84

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Solution

The fourth proportional to 17,425.28, 26,137.92 and 5,741.84 is: 8,612.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,425.28 : 26,137.92 = 5,741.84 : x
  2. Step 2: Convert to fraction form
    17,425.28/26,137.92 = 5,741.84/x
  3. Step 3: Cross multiply
    17,425.28x = 26,137.92 × 5,741.84
  4. Step 4: Simplify right side
    17,425.28x = 150,079,754.57
  5. Step 5: Solve for x
    x = 150,079,754.57/17,425.28
  6. Step 6: Final answer
    x = 8,612.76

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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.