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Finding the Fourth Proportional to 6,516.52, 9,775.20 and 2,620.44

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Solution

The fourth proportional to 6,516.52, 9,775.20 and 2,620.44 is: 3,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.52 : 9,775.20 = 2,620.44 : x
  2. Step 2: Convert to fraction form
    6,516.52/9,775.20 = 2,620.44/x
  3. Step 3: Cross multiply
    6,516.52x = 9,775.20 × 2,620.44
  4. Step 4: Simplify right side
    6,516.52x = 25,615,325.09
  5. Step 5: Solve for x
    x = 25,615,325.09/6,516.52
  6. Step 6: Final answer
    x = 3,930.83

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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.