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Finding the Fourth Proportional to 17,879.32, 26,794.23 and 6,774.22

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Solution

The fourth proportional to 17,879.32, 26,794.23 and 6,774.22 is: 10,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,879.32 : 26,794.23 = 6,774.22 : x
  2. Step 2: Convert to fraction form
    17,879.32/26,794.23 = 6,774.22/x
  3. Step 3: Cross multiply
    17,879.32x = 26,794.23 × 6,774.22
  4. Step 4: Simplify right side
    17,879.32x = 181,510,008.75
  5. Step 5: Solve for x
    x = 181,510,008.75/17,879.32
  6. Step 6: Final answer
    x = 10,151.95

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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.