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Finding the Fourth Proportional to 1,896.57, 2,823.71 and 1,869.26

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Solution

The fourth proportional to 1,896.57, 2,823.71 and 1,869.26 is: 2,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.57 : 2,823.71 = 1,869.26 : x
  2. Step 2: Convert to fraction form
    1,896.57/2,823.71 = 1,869.26/x
  3. Step 3: Cross multiply
    1,896.57x = 2,823.71 × 1,869.26
  4. Step 4: Simplify right side
    1,896.57x = 5,278,224.69
  5. Step 5: Solve for x
    x = 5,278,224.69/1,896.57
  6. Step 6: Final answer
    x = 2,783.04

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Why These Related Problems?

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