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Finding the Fourth Proportional to 54,809.01, 82,238.89 and 29,819.29

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Solution

The fourth proportional to 54,809.01, 82,238.89 and 29,819.29 is: 44,742.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,809.01 : 82,238.89 = 29,819.29 : x
  2. Step 2: Convert to fraction form
    54,809.01/82,238.89 = 29,819.29/x
  3. Step 3: Cross multiply
    54,809.01x = 82,238.89 × 29,819.29
  4. Step 4: Simplify right side
    54,809.01x = 2,452,305,219.19
  5. Step 5: Solve for x
    x = 2,452,305,219.19/54,809.01
  6. Step 6: Final answer
    x = 44,742.74

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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.