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Finding the Fourth Proportional to 36,952.18, 50,993.24 and 20,820.32

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Solution

The fourth proportional to 36,952.18, 50,993.24 and 20,820.32 is: 28,731.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,952.18 : 50,993.24 = 20,820.32 : x
  2. Step 2: Convert to fraction form
    36,952.18/50,993.24 = 20,820.32/x
  3. Step 3: Cross multiply
    36,952.18x = 50,993.24 × 20,820.32
  4. Step 4: Simplify right side
    36,952.18x = 1,061,695,574.64
  5. Step 5: Solve for x
    x = 1,061,695,574.64/36,952.18
  6. Step 6: Final answer
    x = 28,731.61

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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.