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Finding the Fourth Proportional to 5,144.84, 7,717.20 and 1,249.25

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Solution

The fourth proportional to 5,144.84, 7,717.20 and 1,249.25 is: 1,873.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.84 : 7,717.20 = 1,249.25 : x
  2. Step 2: Convert to fraction form
    5,144.84/7,717.20 = 1,249.25/x
  3. Step 3: Cross multiply
    5,144.84x = 7,717.20 × 1,249.25
  4. Step 4: Simplify right side
    5,144.84x = 9,640,673.51
  5. Step 5: Solve for x
    x = 9,640,673.51/5,144.84
  6. Step 6: Final answer
    x = 1,873.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.