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Finding the Fourth Proportional to 2,040.50, 3,058.94 and 741.68

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Solution

The fourth proportional to 2,040.50, 3,058.94 and 741.68 is: 1,111.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.50 : 3,058.94 = 741.68 : x
  2. Step 2: Convert to fraction form
    2,040.50/3,058.94 = 741.68/x
  3. Step 3: Cross multiply
    2,040.50x = 3,058.94 × 741.68
  4. Step 4: Simplify right side
    2,040.50x = 2,268,754.62
  5. Step 5: Solve for x
    x = 2,268,754.62/2,040.50
  6. Step 6: Final answer
    x = 1,111.86

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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.