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Finding the Fourth Proportional to 41,967.96, 62,933.10 and 12,375.42

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Solution

The fourth proportional to 41,967.96, 62,933.10 and 12,375.42 is: 18,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,967.96 : 62,933.10 = 12,375.42 : x
  2. Step 2: Convert to fraction form
    41,967.96/62,933.10 = 12,375.42/x
  3. Step 3: Cross multiply
    41,967.96x = 62,933.10 × 12,375.42
  4. Step 4: Simplify right side
    41,967.96x = 778,823,544.40
  5. Step 5: Solve for x
    x = 778,823,544.40/41,967.96
  6. Step 6: Final answer
    x = 18,557.57

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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.