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Finding the Fourth Proportional to 46,600.68, 69,912.06 and 20,310.12

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Solution

The fourth proportional to 46,600.68, 69,912.06 and 20,310.12 is: 30,469.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,600.68 : 69,912.06 = 20,310.12 : x
  2. Step 2: Convert to fraction form
    46,600.68/69,912.06 = 20,310.12/x
  3. Step 3: Cross multiply
    46,600.68x = 69,912.06 × 20,310.12
  4. Step 4: Simplify right side
    46,600.68x = 1,419,922,328.05
  5. Step 5: Solve for x
    x = 1,419,922,328.05/46,600.68
  6. Step 6: Final answer
    x = 30,469.99

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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.