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Finding the Fourth Proportional to 36,851.69, 50,853.83 and 20,934.38

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Solution

The fourth proportional to 36,851.69, 50,853.83 and 20,934.38 is: 28,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,851.69 : 50,853.83 = 20,934.38 : x
  2. Step 2: Convert to fraction form
    36,851.69/50,853.83 = 20,934.38/x
  3. Step 3: Cross multiply
    36,851.69x = 50,853.83 × 20,934.38
  4. Step 4: Simplify right side
    36,851.69x = 1,064,593,424.14
  5. Step 5: Solve for x
    x = 1,064,593,424.14/36,851.69
  6. Step 6: Final answer
    x = 28,888.59

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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.