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Finding the Fourth Proportional to 29,744.45, 44,611.90 and 8,679.54

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Solution

The fourth proportional to 29,744.45, 44,611.90 and 8,679.54 is: 13,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,744.45 : 44,611.90 = 8,679.54 : x
  2. Step 2: Convert to fraction form
    29,744.45/44,611.90 = 8,679.54/x
  3. Step 3: Cross multiply
    29,744.45x = 44,611.90 × 8,679.54
  4. Step 4: Simplify right side
    29,744.45x = 387,210,770.53
  5. Step 5: Solve for x
    x = 387,210,770.53/29,744.45
  6. Step 6: Final answer
    x = 13,017.92

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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.