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Finding the Fourth Proportional to 2,058.96, 3,089.08 and 1,896.08

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Solution

The fourth proportional to 2,058.96, 3,089.08 and 1,896.08 is: 2,844.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.96 : 3,089.08 = 1,896.08 : x
  2. Step 2: Convert to fraction form
    2,058.96/3,089.08 = 1,896.08/x
  3. Step 3: Cross multiply
    2,058.96x = 3,089.08 × 1,896.08
  4. Step 4: Simplify right side
    2,058.96x = 5,857,142.81
  5. Step 5: Solve for x
    x = 5,857,142.81/2,058.96
  6. Step 6: Final answer
    x = 2,844.71

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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.