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Finding the Fourth Proportional to 50,373.57, 75,504.93 and 20,775.22

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Solution

The fourth proportional to 50,373.57, 75,504.93 and 20,775.22 is: 31,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,373.57 : 75,504.93 = 20,775.22 : x
  2. Step 2: Convert to fraction form
    50,373.57/75,504.93 = 20,775.22/x
  3. Step 3: Cross multiply
    50,373.57x = 75,504.93 × 20,775.22
  4. Step 4: Simplify right side
    50,373.57x = 1,568,631,531.83
  5. Step 5: Solve for x
    x = 1,568,631,531.83/50,373.57
  6. Step 6: Final answer
    x = 31,139.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.