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Finding the Fourth Proportional to 36,846.16, 50,847.72 and 20,079.16

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Solution

The fourth proportional to 36,846.16, 50,847.72 and 20,079.16 is: 27,709.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,846.16 : 50,847.72 = 20,079.16 : x
  2. Step 2: Convert to fraction form
    36,846.16/50,847.72 = 20,079.16/x
  3. Step 3: Cross multiply
    36,846.16x = 50,847.72 × 20,079.16
  4. Step 4: Simplify right side
    36,846.16x = 1,020,979,505.52
  5. Step 5: Solve for x
    x = 1,020,979,505.52/36,846.16
  6. Step 6: Final answer
    x = 27,709.25

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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.