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Finding the Fourth Proportional to 66,644.10, 99,972.42 and 24,524.99

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Solution

The fourth proportional to 66,644.10, 99,972.42 and 24,524.99 is: 36,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,644.10 : 99,972.42 = 24,524.99 : x
  2. Step 2: Convert to fraction form
    66,644.10/99,972.42 = 24,524.99/x
  3. Step 3: Cross multiply
    66,644.10x = 99,972.42 × 24,524.99
  4. Step 4: Simplify right side
    66,644.10x = 2,451,822,383.84
  5. Step 5: Solve for x
    x = 2,451,822,383.84/66,644.10
  6. Step 6: Final answer
    x = 36,789.79

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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.