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Finding the Fourth Proportional to 36,751.73, 50,726.40 and 20,845.49

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Solution

The fourth proportional to 36,751.73, 50,726.40 and 20,845.49 is: 28,771.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,751.73 : 50,726.40 = 20,845.49 : x
  2. Step 2: Convert to fraction form
    36,751.73/50,726.40 = 20,845.49/x
  3. Step 3: Cross multiply
    36,751.73x = 50,726.40 × 20,845.49
  4. Step 4: Simplify right side
    36,751.73x = 1,057,416,663.94
  5. Step 5: Solve for x
    x = 1,057,416,663.94/36,751.73
  6. Step 6: Final answer
    x = 28,771.89

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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.