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Finding the Fourth Proportional to 8,149.89, 11,246.83 and 4,423.89

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Solution

The fourth proportional to 8,149.89, 11,246.83 and 4,423.89 is: 6,104.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.89 : 11,246.83 = 4,423.89 : x
  2. Step 2: Convert to fraction form
    8,149.89/11,246.83 = 4,423.89/x
  3. Step 3: Cross multiply
    8,149.89x = 11,246.83 × 4,423.89
  4. Step 4: Simplify right side
    8,149.89x = 49,754,738.77
  5. Step 5: Solve for x
    x = 49,754,738.77/8,149.89
  6. Step 6: Final answer
    x = 6,104.96

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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.