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Finding the Fourth Proportional to 6,770.86, 9,334.83 and 4,880.86

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Solution

The fourth proportional to 6,770.86, 9,334.83 and 4,880.86 is: 6,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,770.86 : 9,334.83 = 4,880.86 : x
  2. Step 2: Convert to fraction form
    6,770.86/9,334.83 = 4,880.86/x
  3. Step 3: Cross multiply
    6,770.86x = 9,334.83 × 4,880.86
  4. Step 4: Simplify right side
    6,770.86x = 45,561,998.35
  5. Step 5: Solve for x
    x = 45,561,998.35/6,770.86
  6. Step 6: Final answer
    x = 6,729.13

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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.