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Finding the Fourth Proportional to 1,813.59, 2,502.09 and 1,027.49

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Solution

The fourth proportional to 1,813.59, 2,502.09 and 1,027.49 is: 1,417.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.59 : 2,502.09 = 1,027.49 : x
  2. Step 2: Convert to fraction form
    1,813.59/2,502.09 = 1,027.49/x
  3. Step 3: Cross multiply
    1,813.59x = 2,502.09 × 1,027.49
  4. Step 4: Simplify right side
    1,813.59x = 2,570,859.94
  5. Step 5: Solve for x
    x = 2,570,859.94/1,813.59
  6. Step 6: Final answer
    x = 1,417.55

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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.