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Finding the Fourth Proportional to 26,738.94, 40,113.94 and 8,018.22

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Solution

The fourth proportional to 26,738.94, 40,113.94 and 8,018.22 is: 12,028.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,738.94 : 40,113.94 = 8,018.22 : x
  2. Step 2: Convert to fraction form
    26,738.94/40,113.94 = 8,018.22/x
  3. Step 3: Cross multiply
    26,738.94x = 40,113.94 × 8,018.22
  4. Step 4: Simplify right side
    26,738.94x = 321,642,395.99
  5. Step 5: Solve for x
    x = 321,642,395.99/26,738.94
  6. Step 6: Final answer
    x = 12,028.99

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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.