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Finding the Fourth Proportional to 3,489.68, 4,809.27 and 2,370.67

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Solution

The fourth proportional to 3,489.68, 4,809.27 and 2,370.67 is: 3,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.68 : 4,809.27 = 2,370.67 : x
  2. Step 2: Convert to fraction form
    3,489.68/4,809.27 = 2,370.67/x
  3. Step 3: Cross multiply
    3,489.68x = 4,809.27 × 2,370.67
  4. Step 4: Simplify right side
    3,489.68x = 11,401,188.98
  5. Step 5: Solve for x
    x = 11,401,188.98/3,489.68
  6. Step 6: Final answer
    x = 3,267.11

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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.