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Finding the Fourth Proportional to 26,965.67, 40,450.55 and 9,190.80

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Solution

The fourth proportional to 26,965.67, 40,450.55 and 9,190.80 is: 13,786.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,965.67 : 40,450.55 = 9,190.80 : x
  2. Step 2: Convert to fraction form
    26,965.67/40,450.55 = 9,190.80/x
  3. Step 3: Cross multiply
    26,965.67x = 40,450.55 × 9,190.80
  4. Step 4: Simplify right side
    26,965.67x = 371,772,868.99
  5. Step 5: Solve for x
    x = 371,772,868.99/26,965.67
  6. Step 6: Final answer
    x = 13,786.90

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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.