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Finding the Fourth Proportional to 22,644.44, 33,933.83 and 12,762.69

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Solution

The fourth proportional to 22,644.44, 33,933.83 and 12,762.69 is: 19,125.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,644.44 : 33,933.83 = 12,762.69 : x
  2. Step 2: Convert to fraction form
    22,644.44/33,933.83 = 12,762.69/x
  3. Step 3: Cross multiply
    22,644.44x = 33,933.83 × 12,762.69
  4. Step 4: Simplify right side
    22,644.44x = 433,086,952.80
  5. Step 5: Solve for x
    x = 433,086,952.80/22,644.44
  6. Step 6: Final answer
    x = 19,125.53

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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.