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Finding the Fourth Proportional to 32,882.56, 45,375.60 and 18,732.80

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Solution

The fourth proportional to 32,882.56, 45,375.60 and 18,732.80 is: 25,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,882.56 : 45,375.60 = 18,732.80 : x
  2. Step 2: Convert to fraction form
    32,882.56/45,375.60 = 18,732.80/x
  3. Step 3: Cross multiply
    32,882.56x = 45,375.60 × 18,732.80
  4. Step 4: Simplify right side
    32,882.56x = 850,012,039.68
  5. Step 5: Solve for x
    x = 850,012,039.68/32,882.56
  6. Step 6: Final answer
    x = 25,849.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.