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Finding the Fourth Proportional to 29,544.80, 44,209.20 and 21,768.80

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Solution

The fourth proportional to 29,544.80, 44,209.20 and 21,768.80 is: 32,573.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,544.80 : 44,209.20 = 21,768.80 : x
  2. Step 2: Convert to fraction form
    29,544.80/44,209.20 = 21,768.80/x
  3. Step 3: Cross multiply
    29,544.80x = 44,209.20 × 21,768.80
  4. Step 4: Simplify right side
    29,544.80x = 962,381,232.96
  5. Step 5: Solve for x
    x = 962,381,232.96/29,544.80
  6. Step 6: Final answer
    x = 32,573.62

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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.