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Finding the Fourth Proportional to 30,006.70, 44,997.08 and 12,464.54

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Solution

The fourth proportional to 30,006.70, 44,997.08 and 12,464.54 is: 18,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,006.70 : 44,997.08 = 12,464.54 : x
  2. Step 2: Convert to fraction form
    30,006.70/44,997.08 = 12,464.54/x
  3. Step 3: Cross multiply
    30,006.70x = 44,997.08 × 12,464.54
  4. Step 4: Simplify right side
    30,006.70x = 560,867,903.54
  5. Step 5: Solve for x
    x = 560,867,903.54/30,006.70
  6. Step 6: Final answer
    x = 18,691.42

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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.