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Finding the Fourth Proportional to 50,788.80, 76,186.44 and 21,184.92

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Solution

The fourth proportional to 50,788.80, 76,186.44 and 21,184.92 is: 31,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,788.80 : 76,186.44 = 21,184.92 : x
  2. Step 2: Convert to fraction form
    50,788.80/76,186.44 = 21,184.92/x
  3. Step 3: Cross multiply
    50,788.80x = 76,186.44 × 21,184.92
  4. Step 4: Simplify right side
    50,788.80x = 1,614,003,636.48
  5. Step 5: Solve for x
    x = 1,614,003,636.48/50,788.80
  6. Step 6: Final answer
    x = 31,778.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.