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Finding the Fourth Proportional to 36,499.81, 50,369.75 and 19,732.81

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Solution

The fourth proportional to 36,499.81, 50,369.75 and 19,732.81 is: 27,231.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,499.81 : 50,369.75 = 19,732.81 : x
  2. Step 2: Convert to fraction form
    36,499.81/50,369.75 = 19,732.81/x
  3. Step 3: Cross multiply
    36,499.81x = 50,369.75 × 19,732.81
  4. Step 4: Simplify right side
    36,499.81x = 993,936,706.50
  5. Step 5: Solve for x
    x = 993,936,706.50/36,499.81
  6. Step 6: Final answer
    x = 27,231.28

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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.