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Finding the Fourth Proportional to 29,279.67, 43,919.46 and 8,503.17

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Solution

The fourth proportional to 29,279.67, 43,919.46 and 8,503.17 is: 12,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,279.67 : 43,919.46 = 8,503.17 : x
  2. Step 2: Convert to fraction form
    29,279.67/43,919.46 = 8,503.17/x
  3. Step 3: Cross multiply
    29,279.67x = 43,919.46 × 8,503.17
  4. Step 4: Simplify right side
    29,279.67x = 373,454,634.69
  5. Step 5: Solve for x
    x = 373,454,634.69/29,279.67
  6. Step 6: Final answer
    x = 12,754.74

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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.