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Finding the Fourth Proportional to 36,859.26, 50,863.86 and 20,941.50

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Solution

The fourth proportional to 36,859.26, 50,863.86 and 20,941.50 is: 28,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,859.26 : 50,863.86 = 20,941.50 : x
  2. Step 2: Convert to fraction form
    36,859.26/50,863.86 = 20,941.50/x
  3. Step 3: Cross multiply
    36,859.26x = 50,863.86 × 20,941.50
  4. Step 4: Simplify right side
    36,859.26x = 1,065,165,524.19
  5. Step 5: Solve for x
    x = 1,065,165,524.19/36,859.26
  6. Step 6: Final answer
    x = 28,898.18

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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.