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Finding the Fourth Proportional to 22,277.45, 33,416.50 and 7,486.48

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Solution

The fourth proportional to 22,277.45, 33,416.50 and 7,486.48 is: 11,229.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,277.45 : 33,416.50 = 7,486.48 : x
  2. Step 2: Convert to fraction form
    22,277.45/33,416.50 = 7,486.48/x
  3. Step 3: Cross multiply
    22,277.45x = 33,416.50 × 7,486.48
  4. Step 4: Simplify right side
    22,277.45x = 250,171,958.92
  5. Step 5: Solve for x
    x = 250,171,958.92/22,277.45
  6. Step 6: Final answer
    x = 11,229.83

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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.