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Finding the Fourth Proportional to 38,152.50, 57,229.16 and 10,450.50

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Solution

The fourth proportional to 38,152.50, 57,229.16 and 10,450.50 is: 15,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,152.50 : 57,229.16 = 10,450.50 : x
  2. Step 2: Convert to fraction form
    38,152.50/57,229.16 = 10,450.50/x
  3. Step 3: Cross multiply
    38,152.50x = 57,229.16 × 10,450.50
  4. Step 4: Simplify right side
    38,152.50x = 598,073,284.33
  5. Step 5: Solve for x
    x = 598,073,284.33/38,152.50
  6. Step 6: Final answer
    x = 15,675.86

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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.