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Finding the Fourth Proportional to 29,449.44, 44,172.72 and 10,980

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Solution

The fourth proportional to 29,449.44, 44,172.72 and 10,980 is: 16,469.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,449.44 : 44,172.72 = 10,980 : x
  2. Step 2: Convert to fraction form
    29,449.44/44,172.72 = 10,980/x
  3. Step 3: Cross multiply
    29,449.44x = 44,172.72 × 10,980
  4. Step 4: Simplify right side
    29,449.44x = 485,016,465.60
  5. Step 5: Solve for x
    x = 485,016,465.60/29,449.44
  6. Step 6: Final answer
    x = 16,469.46

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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.