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Finding the Fourth Proportional to 36,785.63, 50,769.63 and 21,673.46

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Solution

The fourth proportional to 36,785.63, 50,769.63 and 21,673.46 is: 29,912.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,785.63 : 50,769.63 = 21,673.46 : x
  2. Step 2: Convert to fraction form
    36,785.63/50,769.63 = 21,673.46/x
  3. Step 3: Cross multiply
    36,785.63x = 50,769.63 × 21,673.46
  4. Step 4: Simplify right side
    36,785.63x = 1,100,353,545.02
  5. Step 5: Solve for x
    x = 1,100,353,545.02/36,785.63
  6. Step 6: Final answer
    x = 29,912.59

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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.