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Finding the Fourth Proportional to 6,797.88, 9,377.90 and 4,278.84

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Solution

The fourth proportional to 6,797.88, 9,377.90 and 4,278.84 is: 5,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,797.88 : 9,377.90 = 4,278.84 : x
  2. Step 2: Convert to fraction form
    6,797.88/9,377.90 = 4,278.84/x
  3. Step 3: Cross multiply
    6,797.88x = 9,377.90 × 4,278.84
  4. Step 4: Simplify right side
    6,797.88x = 40,126,533.64
  5. Step 5: Solve for x
    x = 40,126,533.64/6,797.88
  6. Step 6: Final answer
    x = 5,902.80

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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.