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Finding the Fourth Proportional to 33,672, 50,515.29 and 12,895.50

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Solution

The fourth proportional to 33,672, 50,515.29 and 12,895.50 is: 19,346.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,672 : 50,515.29 = 12,895.50 : x
  2. Step 2: Convert to fraction form
    33,672/50,515.29 = 12,895.50/x
  3. Step 3: Cross multiply
    33,672x = 50,515.29 × 12,895.50
  4. Step 4: Simplify right side
    33,672x = 651,419,922.20
  5. Step 5: Solve for x
    x = 651,419,922.20/33,672
  6. Step 6: Final answer
    x = 19,346.04

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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.