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Finding the Fourth Proportional to 1,513.89, 2,084.84 and 1,363.23

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Solution

The fourth proportional to 1,513.89, 2,084.84 and 1,363.23 is: 1,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.89 : 2,084.84 = 1,363.23 : x
  2. Step 2: Convert to fraction form
    1,513.89/2,084.84 = 1,363.23/x
  3. Step 3: Cross multiply
    1,513.89x = 2,084.84 × 1,363.23
  4. Step 4: Simplify right side
    1,513.89x = 2,842,114.73
  5. Step 5: Solve for x
    x = 2,842,114.73/1,513.89
  6. Step 6: Final answer
    x = 1,877.36

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