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Finding the Fourth Proportional to 36,872.26, 50,888.09 and 20,959.10

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Solution

The fourth proportional to 36,872.26, 50,888.09 and 20,959.10 is: 28,926.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,872.26 : 50,888.09 = 20,959.10 : x
  2. Step 2: Convert to fraction form
    36,872.26/50,888.09 = 20,959.10/x
  3. Step 3: Cross multiply
    36,872.26x = 50,888.09 × 20,959.10
  4. Step 4: Simplify right side
    36,872.26x = 1,066,568,694.34
  5. Step 5: Solve for x
    x = 1,066,568,694.34/36,872.26
  6. Step 6: Final answer
    x = 28,926.05

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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.