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Finding the Fourth Proportional to 41,666, 62,486.10 and 12,086

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Solution

The fourth proportional to 41,666, 62,486.10 and 12,086 is: 18,125.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,666 : 62,486.10 = 12,086 : x
  2. Step 2: Convert to fraction form
    41,666/62,486.10 = 12,086/x
  3. Step 3: Cross multiply
    41,666x = 62,486.10 × 12,086
  4. Step 4: Simplify right side
    41,666x = 755,207,004.60
  5. Step 5: Solve for x
    x = 755,207,004.60/41,666
  6. Step 6: Final answer
    x = 18,125.26

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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.