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Finding the Fourth Proportional to 44,651.23, 66,976.84 and 13,486.48

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Solution

The fourth proportional to 44,651.23, 66,976.84 and 13,486.48 is: 20,229.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,651.23 : 66,976.84 = 13,486.48 : x
  2. Step 2: Convert to fraction form
    44,651.23/66,976.84 = 13,486.48/x
  3. Step 3: Cross multiply
    44,651.23x = 66,976.84 × 13,486.48
  4. Step 4: Simplify right side
    44,651.23x = 903,281,611.96
  5. Step 5: Solve for x
    x = 903,281,611.96/44,651.23
  6. Step 6: Final answer
    x = 20,229.72

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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.