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Finding the Fourth Proportional to 22,262.70, 33,379.23 and 13,357.98

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Solution

The fourth proportional to 22,262.70, 33,379.23 and 13,357.98 is: 20,028.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,262.70 : 33,379.23 = 13,357.98 : x
  2. Step 2: Convert to fraction form
    22,262.70/33,379.23 = 13,357.98/x
  3. Step 3: Cross multiply
    22,262.70x = 33,379.23 × 13,357.98
  4. Step 4: Simplify right side
    22,262.70x = 445,879,086.76
  5. Step 5: Solve for x
    x = 445,879,086.76/22,262.70
  6. Step 6: Final answer
    x = 20,028.08

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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.