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Finding the Fourth Proportional to 29,919.42, 44,884.46 and 9,930.11

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Solution

The fourth proportional to 29,919.42, 44,884.46 and 9,930.11 is: 14,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,919.42 : 44,884.46 = 9,930.11 : x
  2. Step 2: Convert to fraction form
    29,919.42/44,884.46 = 9,930.11/x
  3. Step 3: Cross multiply
    29,919.42x = 44,884.46 × 9,930.11
  4. Step 4: Simplify right side
    29,919.42x = 445,707,625.09
  5. Step 5: Solve for x
    x = 445,707,625.09/29,919.42
  6. Step 6: Final answer
    x = 14,896.93

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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.