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Finding the Fourth Proportional to 36,751.80, 50,713.26 and 20,833.08

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Solution

The fourth proportional to 36,751.80, 50,713.26 and 20,833.08 is: 28,747.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,751.80 : 50,713.26 = 20,833.08 : x
  2. Step 2: Convert to fraction form
    36,751.80/50,713.26 = 20,833.08/x
  3. Step 3: Cross multiply
    36,751.80x = 50,713.26 × 20,833.08
  4. Step 4: Simplify right side
    36,751.80x = 1,056,513,402.64
  5. Step 5: Solve for x
    x = 1,056,513,402.64/36,751.80
  6. Step 6: Final answer
    x = 28,747.26

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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.