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Finding the Fourth Proportional to 22,653.96, 33,979.74 and 7,069.80

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Solution

The fourth proportional to 22,653.96, 33,979.74 and 7,069.80 is: 10,604.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,653.96 : 33,979.74 = 7,069.80 : x
  2. Step 2: Convert to fraction form
    22,653.96/33,979.74 = 7,069.80/x
  3. Step 3: Cross multiply
    22,653.96x = 33,979.74 × 7,069.80
  4. Step 4: Simplify right side
    22,653.96x = 240,229,965.85
  5. Step 5: Solve for x
    x = 240,229,965.85/22,653.96
  6. Step 6: Final answer
    x = 10,604.33

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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.