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Finding the Fourth Proportional to 24,396.50, 33,667.20 and 13,218.50

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Solution

The fourth proportional to 24,396.50, 33,667.20 and 13,218.50 is: 18,241.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,396.50 : 33,667.20 = 13,218.50 : x
  2. Step 2: Convert to fraction form
    24,396.50/33,667.20 = 13,218.50/x
  3. Step 3: Cross multiply
    24,396.50x = 33,667.20 × 13,218.50
  4. Step 4: Simplify right side
    24,396.50x = 445,029,817.11
  5. Step 5: Solve for x
    x = 445,029,817.11/24,396.50
  6. Step 6: Final answer
    x = 18,241.54

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1.5x scale

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.