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Finding the Fourth Proportional to 36,751.49, 50,745.62 and 28,240.19

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Solution

The fourth proportional to 36,751.49, 50,745.62 and 28,240.19 is: 38,993.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,751.49 : 50,745.62 = 28,240.19 : x
  2. Step 2: Convert to fraction form
    36,751.49/50,745.62 = 28,240.19/x
  3. Step 3: Cross multiply
    36,751.49x = 50,745.62 × 28,240.19
  4. Step 4: Simplify right side
    36,751.49x = 1,433,066,243.08
  5. Step 5: Solve for x
    x = 1,433,066,243.08/36,751.49
  6. Step 6: Final answer
    x = 38,993.42

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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.