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Finding the Fourth Proportional to 32,578.54, 48,882.39 and 18,727.54

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Solution

The fourth proportional to 32,578.54, 48,882.39 and 18,727.54 is: 28,099.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,578.54 : 48,882.39 = 18,727.54 : x
  2. Step 2: Convert to fraction form
    32,578.54/48,882.39 = 18,727.54/x
  3. Step 3: Cross multiply
    32,578.54x = 48,882.39 × 18,727.54
  4. Step 4: Simplify right side
    32,578.54x = 915,446,914.02
  5. Step 5: Solve for x
    x = 915,446,914.02/32,578.54
  6. Step 6: Final answer
    x = 28,099.69

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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.