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Finding the Fourth Proportional to 29,879.92, 44,809.54 and 13,251.58

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Solution

The fourth proportional to 29,879.92, 44,809.54 and 13,251.58 is: 19,872.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,879.92 : 44,809.54 = 13,251.58 : x
  2. Step 2: Convert to fraction form
    29,879.92/44,809.54 = 13,251.58/x
  3. Step 3: Cross multiply
    29,879.92x = 44,809.54 × 13,251.58
  4. Step 4: Simplify right side
    29,879.92x = 593,797,204.07
  5. Step 5: Solve for x
    x = 593,797,204.07/29,879.92
  6. Step 6: Final answer
    x = 19,872.78

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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.