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Finding the Fourth Proportional to 36,774.52, 50,750.34 and 20,860.84

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Solution

The fourth proportional to 36,774.52, 50,750.34 and 20,860.84 is: 28,788.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,774.52 : 50,750.34 = 20,860.84 : x
  2. Step 2: Convert to fraction form
    36,774.52/50,750.34 = 20,860.84/x
  3. Step 3: Cross multiply
    36,774.52x = 50,750.34 × 20,860.84
  4. Step 4: Simplify right side
    36,774.52x = 1,058,694,722.69
  5. Step 5: Solve for x
    x = 1,058,694,722.69/36,774.52
  6. Step 6: Final answer
    x = 28,788.81

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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.