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Finding the Fourth Proportional to 4,981.34, 7,469.98 and 2,170.37

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Solution

The fourth proportional to 4,981.34, 7,469.98 and 2,170.37 is: 3,254.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.34 : 7,469.98 = 2,170.37 : x
  2. Step 2: Convert to fraction form
    4,981.34/7,469.98 = 2,170.37/x
  3. Step 3: Cross multiply
    4,981.34x = 7,469.98 × 2,170.37
  4. Step 4: Simplify right side
    4,981.34x = 16,212,620.49
  5. Step 5: Solve for x
    x = 16,212,620.49/4,981.34
  6. Step 6: Final answer
    x = 3,254.67

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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.