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Finding the Fourth Proportional to 26,503.80, 39,745.80 and 8,968.92

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Solution

The fourth proportional to 26,503.80, 39,745.80 and 8,968.92 is: 13,450.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,503.80 : 39,745.80 = 8,968.92 : x
  2. Step 2: Convert to fraction form
    26,503.80/39,745.80 = 8,968.92/x
  3. Step 3: Cross multiply
    26,503.80x = 39,745.80 × 8,968.92
  4. Step 4: Simplify right side
    26,503.80x = 356,476,900.54
  5. Step 5: Solve for x
    x = 356,476,900.54/26,503.80
  6. Step 6: Final answer
    x = 13,450.03

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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.