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Finding the Fourth Proportional to 36,492.68, 50,361.35 and 20,576.79

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Solution

The fourth proportional to 36,492.68, 50,361.35 and 20,576.79 is: 28,396.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,492.68 : 50,361.35 = 20,576.79 : x
  2. Step 2: Convert to fraction form
    36,492.68/50,361.35 = 20,576.79/x
  3. Step 3: Cross multiply
    36,492.68x = 50,361.35 × 20,576.79
  4. Step 4: Simplify right side
    36,492.68x = 1,036,274,568.38
  5. Step 5: Solve for x
    x = 1,036,274,568.38/36,492.68
  6. Step 6: Final answer
    x = 28,396.78

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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.