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Finding the Fourth Proportional to 8,149.67, 11,246.54 and 4,423.67

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Solution

The fourth proportional to 8,149.67, 11,246.54 and 4,423.67 is: 6,104.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.67 : 11,246.54 = 4,423.67 : x
  2. Step 2: Convert to fraction form
    8,149.67/11,246.54 = 4,423.67/x
  3. Step 3: Cross multiply
    8,149.67x = 11,246.54 × 4,423.67
  4. Step 4: Simplify right side
    8,149.67x = 49,750,981.60
  5. Step 5: Solve for x
    x = 49,750,981.60/8,149.67
  6. Step 6: Final answer
    x = 6,104.66

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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.