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Finding the Fourth Proportional to 36,785.55, 50,760.55 and 20,649.16

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Solution

The fourth proportional to 36,785.55, 50,760.55 and 20,649.16 is: 28,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,785.55 : 50,760.55 = 20,649.16 : x
  2. Step 2: Convert to fraction form
    36,785.55/50,760.55 = 20,649.16/x
  3. Step 3: Cross multiply
    36,785.55x = 50,760.55 × 20,649.16
  4. Step 4: Simplify right side
    36,785.55x = 1,048,162,718.64
  5. Step 5: Solve for x
    x = 1,048,162,718.64/36,785.55
  6. Step 6: Final answer
    x = 28,493.87

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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.