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Finding the Fourth Proportional to 50,793.51, 70,092.97 and 28,131.15

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Solution

The fourth proportional to 50,793.51, 70,092.97 and 28,131.15 is: 38,819.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,793.51 : 70,092.97 = 28,131.15 : x
  2. Step 2: Convert to fraction form
    50,793.51/70,092.97 = 28,131.15/x
  3. Step 3: Cross multiply
    50,793.51x = 70,092.97 × 28,131.15
  4. Step 4: Simplify right side
    50,793.51x = 1,971,795,782.69
  5. Step 5: Solve for x
    x = 1,971,795,782.69/50,793.51
  6. Step 6: Final answer
    x = 38,819.84

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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.