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Finding the Fourth Proportional to 41,764.66, 62,640.62 and 13,687.62

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Solution

The fourth proportional to 41,764.66, 62,640.62 and 13,687.62 is: 20,529.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,764.66 : 62,640.62 = 13,687.62 : x
  2. Step 2: Convert to fraction form
    41,764.66/62,640.62 = 13,687.62/x
  3. Step 3: Cross multiply
    41,764.66x = 62,640.62 × 13,687.62
  4. Step 4: Simplify right side
    41,764.66x = 857,401,003.12
  5. Step 5: Solve for x
    x = 857,401,003.12/41,764.66
  6. Step 6: Final answer
    x = 20,529.34

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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.