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Finding the Fourth Proportional to 1,939.83, 2,890.16 and 1,846.95

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Solution

The fourth proportional to 1,939.83, 2,890.16 and 1,846.95 is: 2,751.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.83 : 2,890.16 = 1,846.95 : x
  2. Step 2: Convert to fraction form
    1,939.83/2,890.16 = 1,846.95/x
  3. Step 3: Cross multiply
    1,939.83x = 2,890.16 × 1,846.95
  4. Step 4: Simplify right side
    1,939.83x = 5,337,971.78
  5. Step 5: Solve for x
    x = 5,337,971.78/1,939.83
  6. Step 6: Final answer
    x = 2,751.77

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.