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Finding the Fourth Proportional to 6,826.88, 10,218.18 and 6,334.76

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Solution

The fourth proportional to 6,826.88, 10,218.18 and 6,334.76 is: 9,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,826.88 : 10,218.18 = 6,334.76 : x
  2. Step 2: Convert to fraction form
    6,826.88/10,218.18 = 6,334.76/x
  3. Step 3: Cross multiply
    6,826.88x = 10,218.18 × 6,334.76
  4. Step 4: Simplify right side
    6,826.88x = 64,729,717.94
  5. Step 5: Solve for x
    x = 64,729,717.94/6,826.88
  6. Step 6: Final answer
    x = 9,481.60

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1.5x scale

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.