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Finding the Fourth Proportional to 23,479, 35,229.96 and 10,329.72

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Solution

The fourth proportional to 23,479, 35,229.96 and 10,329.72 is: 15,499.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,479 : 35,229.96 = 10,329.72 : x
  2. Step 2: Convert to fraction form
    23,479/35,229.96 = 10,329.72/x
  3. Step 3: Cross multiply
    23,479x = 35,229.96 × 10,329.72
  4. Step 4: Simplify right side
    23,479x = 363,915,622.41
  5. Step 5: Solve for x
    x = 363,915,622.41/23,479
  6. Step 6: Final answer
    x = 15,499.62

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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.