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Finding the Fourth Proportional to 1,813.56, 2,502.54 and 1,441.44

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Solution

The fourth proportional to 1,813.56, 2,502.54 and 1,441.44 is: 1,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.56 : 2,502.54 = 1,441.44 : x
  2. Step 2: Convert to fraction form
    1,813.56/2,502.54 = 1,441.44/x
  3. Step 3: Cross multiply
    1,813.56x = 2,502.54 × 1,441.44
  4. Step 4: Simplify right side
    1,813.56x = 3,607,261.26
  5. Step 5: Solve for x
    x = 3,607,261.26/1,813.56
  6. Step 6: Final answer
    x = 1,989.05

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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.