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Finding the Fourth Proportional to 19,792.98, 29,694.42 and 13,960.98

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Solution

The fourth proportional to 19,792.98, 29,694.42 and 13,960.98 is: 20,944.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.98 : 29,694.42 = 13,960.98 : x
  2. Step 2: Convert to fraction form
    19,792.98/29,694.42 = 13,960.98/x
  3. Step 3: Cross multiply
    19,792.98x = 29,694.42 × 13,960.98
  4. Step 4: Simplify right side
    19,792.98x = 414,563,203.73
  5. Step 5: Solve for x
    x = 414,563,203.73/19,792.98
  6. Step 6: Final answer
    x = 20,944.96

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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.