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Finding the Fourth Proportional to 33,706.80, 46,532.22 and 20,964.09

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Solution

The fourth proportional to 33,706.80, 46,532.22 and 20,964.09 is: 28,940.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,706.80 : 46,532.22 = 20,964.09 : x
  2. Step 2: Convert to fraction form
    33,706.80/46,532.22 = 20,964.09/x
  3. Step 3: Cross multiply
    33,706.80x = 46,532.22 × 20,964.09
  4. Step 4: Simplify right side
    33,706.80x = 975,505,647.98
  5. Step 5: Solve for x
    x = 975,505,647.98/33,706.80
  6. Step 6: Final answer
    x = 28,940.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.