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Finding the Fourth Proportional to 33,650.88, 50,381.28 and 17,820

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Solution

The fourth proportional to 33,650.88, 50,381.28 and 17,820 is: 26,679.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,650.88 : 50,381.28 = 17,820 : x
  2. Step 2: Convert to fraction form
    33,650.88/50,381.28 = 17,820/x
  3. Step 3: Cross multiply
    33,650.88x = 50,381.28 × 17,820
  4. Step 4: Simplify right side
    33,650.88x = 897,794,409.60
  5. Step 5: Solve for x
    x = 897,794,409.60/33,650.88
  6. Step 6: Final answer
    x = 26,679.67

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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.