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Finding the Fourth Proportional to 18,067.19, 26,919.70 and 16,102.94

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Solution

The fourth proportional to 18,067.19, 26,919.70 and 16,102.94 is: 23,993.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,067.19 : 26,919.70 = 16,102.94 : x
  2. Step 2: Convert to fraction form
    18,067.19/26,919.70 = 16,102.94/x
  3. Step 3: Cross multiply
    18,067.19x = 26,919.70 × 16,102.94
  4. Step 4: Simplify right side
    18,067.19x = 433,486,313.92
  5. Step 5: Solve for x
    x = 433,486,313.92/18,067.19
  6. Step 6: Final answer
    x = 23,993.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.