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Finding the Fourth Proportional to 22,086.44, 33,128.88 and 7,295

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Solution

The fourth proportional to 22,086.44, 33,128.88 and 7,295 is: 10,942.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,086.44 : 33,128.88 = 7,295 : x
  2. Step 2: Convert to fraction form
    22,086.44/33,128.88 = 7,295/x
  3. Step 3: Cross multiply
    22,086.44x = 33,128.88 × 7,295
  4. Step 4: Simplify right side
    22,086.44x = 241,675,179.60
  5. Step 5: Solve for x
    x = 241,675,179.60/22,086.44
  6. Step 6: Final answer
    x = 10,942.24

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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.