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Finding the Fourth Proportional to 20,508.26, 30,764.95 and 8,026.67

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Solution

The fourth proportional to 20,508.26, 30,764.95 and 8,026.67 is: 12,041.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,508.26 : 30,764.95 = 8,026.67 : x
  2. Step 2: Convert to fraction form
    20,508.26/30,764.95 = 8,026.67/x
  3. Step 3: Cross multiply
    20,508.26x = 30,764.95 × 8,026.67
  4. Step 4: Simplify right side
    20,508.26x = 246,940,101.22
  5. Step 5: Solve for x
    x = 246,940,101.22/20,508.26
  6. Step 6: Final answer
    x = 12,041.01

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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.