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Finding the Fourth Proportional to 20,433.75, 30,650.63 and 6,582.75

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Solution

The fourth proportional to 20,433.75, 30,650.63 and 6,582.75 is: 9,874.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433.75 : 30,650.63 = 6,582.75 : x
  2. Step 2: Convert to fraction form
    20,433.75/30,650.63 = 6,582.75/x
  3. Step 3: Cross multiply
    20,433.75x = 30,650.63 × 6,582.75
  4. Step 4: Simplify right side
    20,433.75x = 201,765,401.72
  5. Step 5: Solve for x
    x = 201,765,401.72/20,433.75
  6. Step 6: Final answer
    x = 9,874.13

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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.