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Finding the Fourth Proportional to 22,026.20, 33,016.22 and 7,231.32

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Solution

The fourth proportional to 22,026.20, 33,016.22 and 7,231.32 is: 10,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,026.20 : 33,016.22 = 7,231.32 : x
  2. Step 2: Convert to fraction form
    22,026.20/33,016.22 = 7,231.32/x
  3. Step 3: Cross multiply
    22,026.20x = 33,016.22 × 7,231.32
  4. Step 4: Simplify right side
    22,026.20x = 238,750,852.01
  5. Step 5: Solve for x
    x = 238,750,852.01/22,026.20
  6. Step 6: Final answer
    x = 10,839.40

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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.