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Finding the Fourth Proportional to 17,826.26, 26,720.44 and 6,728.24

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Solution

The fourth proportional to 17,826.26, 26,720.44 and 6,728.24 is: 10,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,826.26 : 26,720.44 = 6,728.24 : x
  2. Step 2: Convert to fraction form
    17,826.26/26,720.44 = 6,728.24/x
  3. Step 3: Cross multiply
    17,826.26x = 26,720.44 × 6,728.24
  4. Step 4: Simplify right side
    17,826.26x = 179,781,533.23
  5. Step 5: Solve for x
    x = 179,781,533.23/17,826.26
  6. Step 6: Final answer
    x = 10,085.21

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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.