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Finding the Fourth Proportional to 20,495.58, 30,749.85 and 8,017.26

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Solution

The fourth proportional to 20,495.58, 30,749.85 and 8,017.26 is: 12,028.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,495.58 : 30,749.85 = 8,017.26 : x
  2. Step 2: Convert to fraction form
    20,495.58/30,749.85 = 8,017.26/x
  3. Step 3: Cross multiply
    20,495.58x = 30,749.85 × 8,017.26
  4. Step 4: Simplify right side
    20,495.58x = 246,529,542.41
  5. Step 5: Solve for x
    x = 246,529,542.41/20,495.58
  6. Step 6: Final answer
    x = 12,028.42

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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.