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Finding the Fourth Proportional to 41,628.87, 62,445.87 and 12,046.05

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Solution

The fourth proportional to 41,628.87, 62,445.87 and 12,046.05 is: 18,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,628.87 : 62,445.87 = 12,046.05 : x
  2. Step 2: Convert to fraction form
    41,628.87/62,445.87 = 12,046.05/x
  3. Step 3: Cross multiply
    41,628.87x = 62,445.87 × 12,046.05
  4. Step 4: Simplify right side
    41,628.87x = 752,226,072.31
  5. Step 5: Solve for x
    x = 752,226,072.31/41,628.87
  6. Step 6: Final answer
    x = 18,069.82

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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.