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Finding the Fourth Proportional to 1,813.62, 2,502.54 and 1,027.66

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Solution

The fourth proportional to 1,813.62, 2,502.54 and 1,027.66 is: 1,418.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.62 : 2,502.54 = 1,027.66 : x
  2. Step 2: Convert to fraction form
    1,813.62/2,502.54 = 1,027.66/x
  3. Step 3: Cross multiply
    1,813.62x = 2,502.54 × 1,027.66
  4. Step 4: Simplify right side
    1,813.62x = 2,571,760.26
  5. Step 5: Solve for x
    x = 2,571,760.26/1,813.62
  6. Step 6: Final answer
    x = 1,418.03

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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.