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Finding the Fourth Proportional to 4,249.84, 6,378 and 2,061.24

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Solution

The fourth proportional to 4,249.84, 6,378 and 2,061.24 is: 3,093.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.84 : 6,378 = 2,061.24 : x
  2. Step 2: Convert to fraction form
    4,249.84/6,378 = 2,061.24/x
  3. Step 3: Cross multiply
    4,249.84x = 6,378 × 2,061.24
  4. Step 4: Simplify right side
    4,249.84x = 13,146,588.72
  5. Step 5: Solve for x
    x = 13,146,588.72/4,249.84
  6. Step 6: Final answer
    x = 3,093.43

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Why These Related Problems?

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