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Finding the Fourth Proportional to 2,039.99, 3,060.26 and 741.83

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Solution

The fourth proportional to 2,039.99, 3,060.26 and 741.83 is: 1,112.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.99 : 3,060.26 = 741.83 : x
  2. Step 2: Convert to fraction form
    2,039.99/3,060.26 = 741.83/x
  3. Step 3: Cross multiply
    2,039.99x = 3,060.26 × 741.83
  4. Step 4: Simplify right side
    2,039.99x = 2,270,188.97
  5. Step 5: Solve for x
    x = 2,270,188.97/2,039.99
  6. Step 6: Final answer
    x = 1,112.84

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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.