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Finding the Fourth Proportional to 12,241.89, 16,892.42 and 7,524.99

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Solution

The fourth proportional to 12,241.89, 16,892.42 and 7,524.99 is: 10,383.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241.89 : 16,892.42 = 7,524.99 : x
  2. Step 2: Convert to fraction form
    12,241.89/16,892.42 = 7,524.99/x
  3. Step 3: Cross multiply
    12,241.89x = 16,892.42 × 7,524.99
  4. Step 4: Simplify right side
    12,241.89x = 127,115,253.95
  5. Step 5: Solve for x
    x = 127,115,253.95/12,241.89
  6. Step 6: Final answer
    x = 10,383.63

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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.