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Finding the Fourth Proportional to 66,604.61, 99,944.70 and 24,479.21

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Solution

The fourth proportional to 66,604.61, 99,944.70 and 24,479.21 is: 36,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,604.61 : 99,944.70 = 24,479.21 : x
  2. Step 2: Convert to fraction form
    66,604.61/99,944.70 = 24,479.21/x
  3. Step 3: Cross multiply
    66,604.61x = 99,944.70 × 24,479.21
  4. Step 4: Simplify right side
    66,604.61x = 2,446,567,299.69
  5. Step 5: Solve for x
    x = 2,446,567,299.69/66,604.61
  6. Step 6: Final answer
    x = 36,732.70

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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.