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Finding the Fourth Proportional to 30,223.73, 41,707.91 and 16,794.34

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Solution

The fourth proportional to 30,223.73, 41,707.91 and 16,794.34 is: 23,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,223.73 : 41,707.91 = 16,794.34 : x
  2. Step 2: Convert to fraction form
    30,223.73/41,707.91 = 16,794.34/x
  3. Step 3: Cross multiply
    30,223.73x = 41,707.91 × 16,794.34
  4. Step 4: Simplify right side
    30,223.73x = 700,456,758.95
  5. Step 5: Solve for x
    x = 700,456,758.95/30,223.73
  6. Step 6: Final answer
    x = 23,175.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.