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Finding the Fourth Proportional to 17,896.91, 26,816.13 and 10,879.07

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Solution

The fourth proportional to 17,896.91, 26,816.13 and 10,879.07 is: 16,300.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,896.91 : 26,816.13 = 10,879.07 : x
  2. Step 2: Convert to fraction form
    17,896.91/26,816.13 = 10,879.07/x
  3. Step 3: Cross multiply
    17,896.91x = 26,816.13 × 10,879.07
  4. Step 4: Simplify right side
    17,896.91x = 291,734,421.32
  5. Step 5: Solve for x
    x = 291,734,421.32/17,896.91
  6. Step 6: Final answer
    x = 16,300.83

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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.