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Finding the Fourth Proportional to 22,057.30, 33,078.84 and 7,262.70

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Solution

The fourth proportional to 22,057.30, 33,078.84 and 7,262.70 is: 10,891.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,057.30 : 33,078.84 = 7,262.70 : x
  2. Step 2: Convert to fraction form
    22,057.30/33,078.84 = 7,262.70/x
  3. Step 3: Cross multiply
    22,057.30x = 33,078.84 × 7,262.70
  4. Step 4: Simplify right side
    22,057.30x = 240,241,525.87
  5. Step 5: Solve for x
    x = 240,241,525.87/22,057.30
  6. Step 6: Final answer
    x = 10,891.70

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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.