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Finding the Fourth Proportional to 21,883, 32,824.50 and 5,467

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Solution

The fourth proportional to 21,883, 32,824.50 and 5,467 is: 8,200.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,883 : 32,824.50 = 5,467 : x
  2. Step 2: Convert to fraction form
    21,883/32,824.50 = 5,467/x
  3. Step 3: Cross multiply
    21,883x = 32,824.50 × 5,467
  4. Step 4: Simplify right side
    21,883x = 179,451,541.50
  5. Step 5: Solve for x
    x = 179,451,541.50/21,883
  6. Step 6: Final answer
    x = 8,200.50

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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.