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Finding the Fourth Proportional to 36,567, 50,464.62 and 20,653.20

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Solution

The fourth proportional to 36,567, 50,464.62 and 20,653.20 is: 28,502.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,567 : 50,464.62 = 20,653.20 : x
  2. Step 2: Convert to fraction form
    36,567/50,464.62 = 20,653.20/x
  3. Step 3: Cross multiply
    36,567x = 50,464.62 × 20,653.20
  4. Step 4: Simplify right side
    36,567x = 1,042,255,889.78
  5. Step 5: Solve for x
    x = 1,042,255,889.78/36,567
  6. Step 6: Final answer
    x = 28,502.64

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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.