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Finding the Fourth Proportional to 8,649.54, 11,936.97 and 4,923.54

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Solution

The fourth proportional to 8,649.54, 11,936.97 and 4,923.54 is: 6,794.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649.54 : 11,936.97 = 4,923.54 : x
  2. Step 2: Convert to fraction form
    8,649.54/11,936.97 = 4,923.54/x
  3. Step 3: Cross multiply
    8,649.54x = 11,936.97 × 4,923.54
  4. Step 4: Simplify right side
    8,649.54x = 58,772,149.27
  5. Step 5: Solve for x
    x = 58,772,149.27/8,649.54
  6. Step 6: Final answer
    x = 6,794.83

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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.