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Finding the Fourth Proportional to 29,279.46, 43,919.19 and 7,092.84

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Solution

The fourth proportional to 29,279.46, 43,919.19 and 7,092.84 is: 10,639.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,279.46 : 43,919.19 = 7,092.84 : x
  2. Step 2: Convert to fraction form
    29,279.46/43,919.19 = 7,092.84/x
  3. Step 3: Cross multiply
    29,279.46x = 43,919.19 × 7,092.84
  4. Step 4: Simplify right side
    29,279.46x = 311,511,787.60
  5. Step 5: Solve for x
    x = 311,511,787.60/29,279.46
  6. Step 6: Final answer
    x = 10,639.26

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1.5x scale

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.