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Finding the Fourth Proportional to 33,290.24, 49,930.24 and 9,912.96

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Solution

The fourth proportional to 33,290.24, 49,930.24 and 9,912.96 is: 14,867.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,290.24 : 49,930.24 = 9,912.96 : x
  2. Step 2: Convert to fraction form
    33,290.24/49,930.24 = 9,912.96/x
  3. Step 3: Cross multiply
    33,290.24x = 49,930.24 × 9,912.96
  4. Step 4: Simplify right side
    33,290.24x = 494,956,471.91
  5. Step 5: Solve for x
    x = 494,956,471.91/33,290.24
  6. Step 6: Final answer
    x = 14,867.92

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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.