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Finding the Fourth Proportional to 4,481.57, 6,711.93 and 4,325.85

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Solution

The fourth proportional to 4,481.57, 6,711.93 and 4,325.85 is: 6,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.57 : 6,711.93 = 4,325.85 : x
  2. Step 2: Convert to fraction form
    4,481.57/6,711.93 = 4,325.85/x
  3. Step 3: Cross multiply
    4,481.57x = 6,711.93 × 4,325.85
  4. Step 4: Simplify right side
    4,481.57x = 29,034,802.39
  5. Step 5: Solve for x
    x = 29,034,802.39/4,481.57
  6. Step 6: Final answer
    x = 6,478.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.