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Finding the Fourth Proportional to 17,941.24, 26,910.78 and 5,629.24

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Solution

The fourth proportional to 17,941.24, 26,910.78 and 5,629.24 is: 8,443.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,941.24 : 26,910.78 = 5,629.24 : x
  2. Step 2: Convert to fraction form
    17,941.24/26,910.78 = 5,629.24/x
  3. Step 3: Cross multiply
    17,941.24x = 26,910.78 × 5,629.24
  4. Step 4: Simplify right side
    17,941.24x = 151,487,239.21
  5. Step 5: Solve for x
    x = 151,487,239.21/17,941.24
  6. Step 6: Final answer
    x = 8,443.52

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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.