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Finding the Fourth Proportional to 36,859.56, 50,866.32 and 20,949.32

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Solution

The fourth proportional to 36,859.56, 50,866.32 and 20,949.32 is: 28,910.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,859.56 : 50,866.32 = 20,949.32 : x
  2. Step 2: Convert to fraction form
    36,859.56/50,866.32 = 20,949.32/x
  3. Step 3: Cross multiply
    36,859.56x = 50,866.32 × 20,949.32
  4. Step 4: Simplify right side
    36,859.56x = 1,065,614,814.90
  5. Step 5: Solve for x
    x = 1,065,614,814.90/36,859.56
  6. Step 6: Final answer
    x = 28,910.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.