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Finding the Fourth Proportional to 19,193, 28,792.38 and 6,883.88

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Solution

The fourth proportional to 19,193, 28,792.38 and 6,883.88 is: 10,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193 : 28,792.38 = 6,883.88 : x
  2. Step 2: Convert to fraction form
    19,193/28,792.38 = 6,883.88/x
  3. Step 3: Cross multiply
    19,193x = 28,792.38 × 6,883.88
  4. Step 4: Simplify right side
    19,193x = 198,203,288.83
  5. Step 5: Solve for x
    x = 198,203,288.83/19,193
  6. Step 6: Final answer
    x = 10,326.85

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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.