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Finding the Fourth Proportional to 7,211.67, 10,803.48 and 4,738.97

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Solution

The fourth proportional to 7,211.67, 10,803.48 and 4,738.97 is: 7,099.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.67 : 10,803.48 = 4,738.97 : x
  2. Step 2: Convert to fraction form
    7,211.67/10,803.48 = 4,738.97/x
  3. Step 3: Cross multiply
    7,211.67x = 10,803.48 × 4,738.97
  4. Step 4: Simplify right side
    7,211.67x = 51,197,376.85
  5. Step 5: Solve for x
    x = 51,197,376.85/7,211.67
  6. Step 6: Final answer
    x = 7,099.24

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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.