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Finding the Fourth Proportional to 36,651, 50,574.09 and 20,519.19

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Solution

The fourth proportional to 36,651, 50,574.09 and 20,519.19 is: 28,314.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,651 : 50,574.09 = 20,519.19 : x
  2. Step 2: Convert to fraction form
    36,651/50,574.09 = 20,519.19/x
  3. Step 3: Cross multiply
    36,651x = 50,574.09 × 20,519.19
  4. Step 4: Simplify right side
    36,651x = 1,037,739,361.79
  5. Step 5: Solve for x
    x = 1,037,739,361.79/36,651
  6. Step 6: Final answer
    x = 28,314.08

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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.