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Finding the Fourth Proportional to 36,806.76, 50,792.21 and 20,453.91

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Solution

The fourth proportional to 36,806.76, 50,792.21 and 20,453.91 is: 28,225.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,806.76 : 50,792.21 = 20,453.91 : x
  2. Step 2: Convert to fraction form
    36,806.76/50,792.21 = 20,453.91/x
  3. Step 3: Cross multiply
    36,806.76x = 50,792.21 × 20,453.91
  4. Step 4: Simplify right side
    36,806.76x = 1,038,899,244.63
  5. Step 5: Solve for x
    x = 1,038,899,244.63/36,806.76
  6. Step 6: Final answer
    x = 28,225.78

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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.