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Finding the Fourth Proportional to 1,892.72, 2,839.44 and 593.84

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Solution

The fourth proportional to 1,892.72, 2,839.44 and 593.84 is: 890.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.72 : 2,839.44 = 593.84 : x
  2. Step 2: Convert to fraction form
    1,892.72/2,839.44 = 593.84/x
  3. Step 3: Cross multiply
    1,892.72x = 2,839.44 × 593.84
  4. Step 4: Simplify right side
    1,892.72x = 1,686,173.05
  5. Step 5: Solve for x
    x = 1,686,173.05/1,892.72
  6. Step 6: Final answer
    x = 890.87

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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.