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Finding the Fourth Proportional to 17,951.30, 26,928.15 and 6,104.90

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Solution

The fourth proportional to 17,951.30, 26,928.15 and 6,104.90 is: 9,157.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,951.30 : 26,928.15 = 6,104.90 : x
  2. Step 2: Convert to fraction form
    17,951.30/26,928.15 = 6,104.90/x
  3. Step 3: Cross multiply
    17,951.30x = 26,928.15 × 6,104.90
  4. Step 4: Simplify right side
    17,951.30x = 164,393,662.94
  5. Step 5: Solve for x
    x = 164,393,662.94/17,951.30
  6. Step 6: Final answer
    x = 9,157.76

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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.