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Finding the Fourth Proportional to 19,994.50, 29,991.89 and 6,846.99

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Solution

The fourth proportional to 19,994.50, 29,991.89 and 6,846.99 is: 10,270.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,994.50 : 29,991.89 = 6,846.99 : x
  2. Step 2: Convert to fraction form
    19,994.50/29,991.89 = 6,846.99/x
  3. Step 3: Cross multiply
    19,994.50x = 29,991.89 × 6,846.99
  4. Step 4: Simplify right side
    19,994.50x = 205,354,170.91
  5. Step 5: Solve for x
    x = 205,354,170.91/19,994.50
  6. Step 6: Final answer
    x = 10,270.53

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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.