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Finding the Fourth Proportional to 8,676.69, 11,974.41 and 4,898.52

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Solution

The fourth proportional to 8,676.69, 11,974.41 and 4,898.52 is: 6,760.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.69 : 11,974.41 = 4,898.52 : x
  2. Step 2: Convert to fraction form
    8,676.69/11,974.41 = 4,898.52/x
  3. Step 3: Cross multiply
    8,676.69x = 11,974.41 × 4,898.52
  4. Step 4: Simplify right side
    8,676.69x = 58,656,886.87
  5. Step 5: Solve for x
    x = 58,656,886.87/8,676.69
  6. Step 6: Final answer
    x = 6,760.28

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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.