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Finding the Fourth Proportional to 22,462.72, 33,694.02 and 9,979.84

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Solution

The fourth proportional to 22,462.72, 33,694.02 and 9,979.84 is: 14,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,462.72 : 33,694.02 = 9,979.84 : x
  2. Step 2: Convert to fraction form
    22,462.72/33,694.02 = 9,979.84/x
  3. Step 3: Cross multiply
    22,462.72x = 33,694.02 × 9,979.84
  4. Step 4: Simplify right side
    22,462.72x = 336,260,928.56
  5. Step 5: Solve for x
    x = 336,260,928.56/22,462.72
  6. Step 6: Final answer
    x = 14,969.73

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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.