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Finding the Fourth Proportional to 29,919.75, 44,884.94 and 9,930.44

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Solution

The fourth proportional to 29,919.75, 44,884.94 and 9,930.44 is: 14,897.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,919.75 : 44,884.94 = 9,930.44 : x
  2. Step 2: Convert to fraction form
    29,919.75/44,884.94 = 9,930.44/x
  3. Step 3: Cross multiply
    29,919.75x = 44,884.94 × 9,930.44
  4. Step 4: Simplify right side
    29,919.75x = 445,727,203.57
  5. Step 5: Solve for x
    x = 445,727,203.57/29,919.75
  6. Step 6: Final answer
    x = 14,897.42

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1.5x scale

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.