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Finding the Fourth Proportional to 29,674.38, 44,515.95 and 8,611.68

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Solution

The fourth proportional to 29,674.38, 44,515.95 and 8,611.68 is: 12,918.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,674.38 : 44,515.95 = 8,611.68 : x
  2. Step 2: Convert to fraction form
    29,674.38/44,515.95 = 8,611.68/x
  3. Step 3: Cross multiply
    29,674.38x = 44,515.95 × 8,611.68
  4. Step 4: Simplify right side
    29,674.38x = 383,357,250.94
  5. Step 5: Solve for x
    x = 383,357,250.94/29,674.38
  6. Step 6: Final answer
    x = 12,918.79

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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.