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Finding the Fourth Proportional to 26,998.30, 40,485.30 and 10,352.80

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Solution

The fourth proportional to 26,998.30, 40,485.30 and 10,352.80 is: 15,524.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,998.30 : 40,485.30 = 10,352.80 : x
  2. Step 2: Convert to fraction form
    26,998.30/40,485.30 = 10,352.80/x
  3. Step 3: Cross multiply
    26,998.30x = 40,485.30 × 10,352.80
  4. Step 4: Simplify right side
    26,998.30x = 419,136,213.84
  5. Step 5: Solve for x
    x = 419,136,213.84/26,998.30
  6. Step 6: Final answer
    x = 15,524.54

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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.