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Finding the Fourth Proportional to 26,745.80, 40,119.16 and 10,113.71

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Solution

The fourth proportional to 26,745.80, 40,119.16 and 10,113.71 is: 15,170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,745.80 : 40,119.16 = 10,113.71 : x
  2. Step 2: Convert to fraction form
    26,745.80/40,119.16 = 10,113.71/x
  3. Step 3: Cross multiply
    26,745.80x = 40,119.16 × 10,113.71
  4. Step 4: Simplify right side
    26,745.80x = 405,753,624.70
  5. Step 5: Solve for x
    x = 405,753,624.70/26,745.80
  6. Step 6: Final answer
    x = 15,170.74

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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.