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Finding the Fourth Proportional to 1,813.94, 2,503.06 and 1,027.94

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Solution

The fourth proportional to 1,813.94, 2,503.06 and 1,027.94 is: 1,418.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.94 : 2,503.06 = 1,027.94 : x
  2. Step 2: Convert to fraction form
    1,813.94/2,503.06 = 1,027.94/x
  3. Step 3: Cross multiply
    1,813.94x = 2,503.06 × 1,027.94
  4. Step 4: Simplify right side
    1,813.94x = 2,572,995.50
  5. Step 5: Solve for x
    x = 2,572,995.50/1,813.94
  6. Step 6: Final answer
    x = 1,418.46

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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.