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Finding the Fourth Proportional to 17,879.26, 26,810.16 and 5,396.94

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Solution

The fourth proportional to 17,879.26, 26,810.16 and 5,396.94 is: 8,092.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,879.26 : 26,810.16 = 5,396.94 : x
  2. Step 2: Convert to fraction form
    17,879.26/26,810.16 = 5,396.94/x
  3. Step 3: Cross multiply
    17,879.26x = 26,810.16 × 5,396.94
  4. Step 4: Simplify right side
    17,879.26x = 144,692,824.91
  5. Step 5: Solve for x
    x = 144,692,824.91/17,879.26
  6. Step 6: Final answer
    x = 8,092.77

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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.