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Finding the Fourth Proportional to 32,375.88, 48,570.76 and 18,342.63

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Solution

The fourth proportional to 32,375.88, 48,570.76 and 18,342.63 is: 27,517.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,375.88 : 48,570.76 = 18,342.63 : x
  2. Step 2: Convert to fraction form
    32,375.88/48,570.76 = 18,342.63/x
  3. Step 3: Cross multiply
    32,375.88x = 48,570.76 × 18,342.63
  4. Step 4: Simplify right side
    32,375.88x = 890,915,236.65
  5. Step 5: Solve for x
    x = 890,915,236.65/32,375.88
  6. Step 6: Final answer
    x = 27,517.87

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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.