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Finding the Fourth Proportional to 8,576.78, 11,835.38 and 4,799.30

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Solution

The fourth proportional to 8,576.78, 11,835.38 and 4,799.30 is: 6,622.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,576.78 : 11,835.38 = 4,799.30 : x
  2. Step 2: Convert to fraction form
    8,576.78/11,835.38 = 4,799.30/x
  3. Step 3: Cross multiply
    8,576.78x = 11,835.38 × 4,799.30
  4. Step 4: Simplify right side
    8,576.78x = 56,801,456.06
  5. Step 5: Solve for x
    x = 56,801,456.06/8,576.78
  6. Step 6: Final answer
    x = 6,622.71

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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.