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Finding the Fourth Proportional to 6,797.84, 9,378.20 and 4,144.28

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Solution

The fourth proportional to 6,797.84, 9,378.20 and 4,144.28 is: 5,717.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,797.84 : 9,378.20 = 4,144.28 : x
  2. Step 2: Convert to fraction form
    6,797.84/9,378.20 = 4,144.28/x
  3. Step 3: Cross multiply
    6,797.84x = 9,378.20 × 4,144.28
  4. Step 4: Simplify right side
    6,797.84x = 38,865,850.17
  5. Step 5: Solve for x
    x = 38,865,850.17/6,797.84
  6. Step 6: Final answer
    x = 5,717.39

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1.5x scale

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.