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Finding the Fourth Proportional to 2,039.00, 3,058.70 and 1,900.08

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Solution

The fourth proportional to 2,039.00, 3,058.70 and 1,900.08 is: 2,850.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.00 : 3,058.70 = 1,900.08 : x
  2. Step 2: Convert to fraction form
    2,039.00/3,058.70 = 1,900.08/x
  3. Step 3: Cross multiply
    2,039.00x = 3,058.70 × 1,900.08
  4. Step 4: Simplify right side
    2,039.00x = 5,811,765.20
  5. Step 5: Solve for x
    x = 5,811,765.20/2,039.00
  6. Step 6: Final answer
    x = 2,850.31

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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.