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Finding the Fourth Proportional to 32,578.67, 48,812.15 and 21,884.99

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Solution

The fourth proportional to 32,578.67, 48,812.15 and 21,884.99 is: 32,789.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,578.67 : 48,812.15 = 21,884.99 : x
  2. Step 2: Convert to fraction form
    32,578.67/48,812.15 = 21,884.99/x
  3. Step 3: Cross multiply
    32,578.67x = 48,812.15 × 21,884.99
  4. Step 4: Simplify right side
    32,578.67x = 1,068,253,225.28
  5. Step 5: Solve for x
    x = 1,068,253,225.28/32,578.67
  6. Step 6: Final answer
    x = 32,789.96

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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.