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Finding the Fourth Proportional to 34,251.20, 51,376.80 and 32,064.20

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Solution

The fourth proportional to 34,251.20, 51,376.80 and 32,064.20 is: 48,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,251.20 : 51,376.80 = 32,064.20 : x
  2. Step 2: Convert to fraction form
    34,251.20/51,376.80 = 32,064.20/x
  3. Step 3: Cross multiply
    34,251.20x = 51,376.80 × 32,064.20
  4. Step 4: Simplify right side
    34,251.20x = 1,647,355,990.56
  5. Step 5: Solve for x
    x = 1,647,355,990.56/34,251.20
  6. Step 6: Final answer
    x = 48,096.30

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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.