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Finding the Fourth Proportional to 36,839.46, 50,838.42 and 20,072.46

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Solution

The fourth proportional to 36,839.46, 50,838.42 and 20,072.46 is: 27,699.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,839.46 : 50,838.42 = 20,072.46 : x
  2. Step 2: Convert to fraction form
    36,839.46/50,838.42 = 20,072.46/x
  3. Step 3: Cross multiply
    36,839.46x = 50,838.42 × 20,072.46
  4. Step 4: Simplify right side
    36,839.46x = 1,020,452,151.91
  5. Step 5: Solve for x
    x = 1,020,452,151.91/36,839.46
  6. Step 6: Final answer
    x = 27,699.98

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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.