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Finding the Fourth Proportional to 22,675, 33,927 and 20,372.92

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Solution

The fourth proportional to 22,675, 33,927 and 20,372.92 is: 30,482.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,675 : 33,927 = 20,372.92 : x
  2. Step 2: Convert to fraction form
    22,675/33,927 = 20,372.92/x
  3. Step 3: Cross multiply
    22,675x = 33,927 × 20,372.92
  4. Step 4: Simplify right side
    22,675x = 691,192,056.84
  5. Step 5: Solve for x
    x = 691,192,056.84/22,675
  6. Step 6: Final answer
    x = 30,482.56

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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.