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Finding the Fourth Proportional to 29,385.80, 44,049.72 and 18,825.88

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Solution

The fourth proportional to 29,385.80, 44,049.72 and 18,825.88 is: 28,220.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,385.80 : 44,049.72 = 18,825.88 : x
  2. Step 2: Convert to fraction form
    29,385.80/44,049.72 = 18,825.88/x
  3. Step 3: Cross multiply
    29,385.80x = 44,049.72 × 18,825.88
  4. Step 4: Simplify right side
    29,385.80x = 829,274,742.75
  5. Step 5: Solve for x
    x = 829,274,742.75/29,385.80
  6. Step 6: Final answer
    x = 28,220.25

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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.