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Finding the Fourth Proportional to 36,846.64, 50,848.34 and 20,079.64

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Solution

The fourth proportional to 36,846.64, 50,848.34 and 20,079.64 is: 27,709.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,846.64 : 50,848.34 = 20,079.64 : x
  2. Step 2: Convert to fraction form
    36,846.64/50,848.34 = 20,079.64/x
  3. Step 3: Cross multiply
    36,846.64x = 50,848.34 × 20,079.64
  4. Step 4: Simplify right side
    36,846.64x = 1,021,016,361.80
  5. Step 5: Solve for x
    x = 1,021,016,361.80/36,846.64
  6. Step 6: Final answer
    x = 27,709.89

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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.