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Finding the Fourth Proportional to 29,212.89, 43,824.78 and 9,486.15

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Solution

The fourth proportional to 29,212.89, 43,824.78 and 9,486.15 is: 14,230.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,212.89 : 43,824.78 = 9,486.15 : x
  2. Step 2: Convert to fraction form
    29,212.89/43,824.78 = 9,486.15/x
  3. Step 3: Cross multiply
    29,212.89x = 43,824.78 × 9,486.15
  4. Step 4: Simplify right side
    29,212.89x = 415,728,436.80
  5. Step 5: Solve for x
    x = 415,728,436.80/29,212.89
  6. Step 6: Final answer
    x = 14,230.99

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1.5x scale

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.