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Finding the Fourth Proportional to 36,323.53, 50,128.02 and 20,408.01

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Solution

The fourth proportional to 36,323.53, 50,128.02 and 20,408.01 is: 28,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,323.53 : 50,128.02 = 20,408.01 : x
  2. Step 2: Convert to fraction form
    36,323.53/50,128.02 = 20,408.01/x
  3. Step 3: Cross multiply
    36,323.53x = 50,128.02 × 20,408.01
  4. Step 4: Simplify right side
    36,323.53x = 1,023,013,133.44
  5. Step 5: Solve for x
    x = 1,023,013,133.44/36,323.53
  6. Step 6: Final answer
    x = 28,163.92

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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.