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Finding the Fourth Proportional to 41,763, 62,645.64 and 12,180.12

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Solution

The fourth proportional to 41,763, 62,645.64 and 12,180.12 is: 18,270.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,763 : 62,645.64 = 12,180.12 : x
  2. Step 2: Convert to fraction form
    41,763/62,645.64 = 12,180.12/x
  3. Step 3: Cross multiply
    41,763x = 62,645.64 × 12,180.12
  4. Step 4: Simplify right side
    41,763x = 763,031,412.68
  5. Step 5: Solve for x
    x = 763,031,412.68/41,763
  6. Step 6: Final answer
    x = 18,270.51

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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.