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Finding the Fourth Proportional to 73,786.93, 110,614.65 and 27,028.87

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Solution

The fourth proportional to 73,786.93, 110,614.65 and 27,028.87 is: 40,519.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,786.93 : 110,614.65 = 27,028.87 : x
  2. Step 2: Convert to fraction form
    73,786.93/110,614.65 = 27,028.87/x
  3. Step 3: Cross multiply
    73,786.93x = 110,614.65 × 27,028.87
  4. Step 4: Simplify right side
    73,786.93x = 2,989,788,994.95
  5. Step 5: Solve for x
    x = 2,989,788,994.95/73,786.93
  6. Step 6: Final answer
    x = 40,519.22

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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.