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Finding the Fourth Proportional to 7,745.06, 11,611.06 and 3,359.21

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Solution

The fourth proportional to 7,745.06, 11,611.06 and 3,359.21 is: 5,035.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.06 : 11,611.06 = 3,359.21 : x
  2. Step 2: Convert to fraction form
    7,745.06/11,611.06 = 3,359.21/x
  3. Step 3: Cross multiply
    7,745.06x = 11,611.06 × 3,359.21
  4. Step 4: Simplify right side
    7,745.06x = 39,004,018.85
  5. Step 5: Solve for x
    x = 39,004,018.85/7,745.06
  6. Step 6: Final answer
    x = 5,035.99

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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.