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Finding the Fourth Proportional to 6,816.60, 10,227.30 and 6,576.60

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Solution

The fourth proportional to 6,816.60, 10,227.30 and 6,576.60 is: 9,867.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.60 : 10,227.30 = 6,576.60 : x
  2. Step 2: Convert to fraction form
    6,816.60/10,227.30 = 6,576.60/x
  3. Step 3: Cross multiply
    6,816.60x = 10,227.30 × 6,576.60
  4. Step 4: Simplify right side
    6,816.60x = 67,260,861.18
  5. Step 5: Solve for x
    x = 67,260,861.18/6,816.60
  6. Step 6: Final answer
    x = 9,867.22

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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.