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Finding the Fourth Proportional to 30,189.84, 41,659.89 and 16,760.05

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Solution

The fourth proportional to 30,189.84, 41,659.89 and 16,760.05 is: 23,127.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,189.84 : 41,659.89 = 16,760.05 : x
  2. Step 2: Convert to fraction form
    30,189.84/41,659.89 = 16,760.05/x
  3. Step 3: Cross multiply
    30,189.84x = 41,659.89 × 16,760.05
  4. Step 4: Simplify right side
    30,189.84x = 698,221,839.39
  5. Step 5: Solve for x
    x = 698,221,839.39/30,189.84
  6. Step 6: Final answer
    x = 23,127.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.