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Finding the Fourth Proportional to 36,493.29, 50,361.10 and 21,394.89

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Solution

The fourth proportional to 36,493.29, 50,361.10 and 21,394.89 is: 29,525.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,493.29 : 50,361.10 = 21,394.89 : x
  2. Step 2: Convert to fraction form
    36,493.29/50,361.10 = 21,394.89/x
  3. Step 3: Cross multiply
    36,493.29x = 50,361.10 × 21,394.89
  4. Step 4: Simplify right side
    36,493.29x = 1,077,470,194.78
  5. Step 5: Solve for x
    x = 1,077,470,194.78/36,493.29
  6. Step 6: Final answer
    x = 29,525.16

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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.