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Finding the Fourth Proportional to 36,751.93, 50,716.68 and 20,836.34

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Solution

The fourth proportional to 36,751.93, 50,716.68 and 20,836.34 is: 28,753.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,751.93 : 50,716.68 = 20,836.34 : x
  2. Step 2: Convert to fraction form
    36,751.93/50,716.68 = 20,836.34/x
  3. Step 3: Cross multiply
    36,751.93x = 50,716.68 × 20,836.34
  4. Step 4: Simplify right side
    36,751.93x = 1,056,749,963.82
  5. Step 5: Solve for x
    x = 1,056,749,963.82/36,751.93
  6. Step 6: Final answer
    x = 28,753.59

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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.