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Finding the Fourth Proportional to 17,363.70, 26,057.70 and 11,138.85

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Solution

The fourth proportional to 17,363.70, 26,057.70 and 11,138.85 is: 16,716.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,363.70 : 26,057.70 = 11,138.85 : x
  2. Step 2: Convert to fraction form
    17,363.70/26,057.70 = 11,138.85/x
  3. Step 3: Cross multiply
    17,363.70x = 26,057.70 × 11,138.85
  4. Step 4: Simplify right side
    17,363.70x = 290,252,811.65
  5. Step 5: Solve for x
    x = 290,252,811.65/17,363.70
  6. Step 6: Final answer
    x = 16,716.07

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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.