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Finding the Fourth Proportional to 34,396.70, 51,600.17 and 12,208.21

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Solution

The fourth proportional to 34,396.70, 51,600.17 and 12,208.21 is: 18,314.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,396.70 : 51,600.17 = 12,208.21 : x
  2. Step 2: Convert to fraction form
    34,396.70/51,600.17 = 12,208.21/x
  3. Step 3: Cross multiply
    34,396.70x = 51,600.17 × 12,208.21
  4. Step 4: Simplify right side
    34,396.70x = 629,945,650.35
  5. Step 5: Solve for x
    x = 629,945,650.35/34,396.70
  6. Step 6: Final answer
    x = 18,314.13

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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.