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Finding the Fourth Proportional to 41,958.75, 62,916.48 and 12,372.74

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Solution

The fourth proportional to 41,958.75, 62,916.48 and 12,372.74 is: 18,552.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,958.75 : 62,916.48 = 12,372.74 : x
  2. Step 2: Convert to fraction form
    41,958.75/62,916.48 = 12,372.74/x
  3. Step 3: Cross multiply
    41,958.75x = 62,916.48 × 12,372.74
  4. Step 4: Simplify right side
    41,958.75x = 778,449,248.76
  5. Step 5: Solve for x
    x = 778,449,248.76/41,958.75
  6. Step 6: Final answer
    x = 18,552.73

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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.