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Finding the Fourth Proportional to 41,523.80, 62,285.67 and 13,821.80

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Solution

The fourth proportional to 41,523.80, 62,285.67 and 13,821.80 is: 20,732.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,523.80 : 62,285.67 = 13,821.80 : x
  2. Step 2: Convert to fraction form
    41,523.80/62,285.67 = 13,821.80/x
  3. Step 3: Cross multiply
    41,523.80x = 62,285.67 × 13,821.80
  4. Step 4: Simplify right side
    41,523.80x = 860,900,073.61
  5. Step 5: Solve for x
    x = 860,900,073.61/41,523.80
  6. Step 6: Final answer
    x = 20,732.69

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1.5x scale

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.