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Finding the Fourth Proportional to 1,813.53, 2,502.73 and 1,027.56

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Solution

The fourth proportional to 1,813.53, 2,502.73 and 1,027.56 is: 1,418.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.53 : 2,502.73 = 1,027.56 : x
  2. Step 2: Convert to fraction form
    1,813.53/2,502.73 = 1,027.56/x
  3. Step 3: Cross multiply
    1,813.53x = 2,502.73 × 1,027.56
  4. Step 4: Simplify right side
    1,813.53x = 2,571,705.24
  5. Step 5: Solve for x
    x = 2,571,705.24/1,813.53
  6. Step 6: Final answer
    x = 1,418.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.