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Finding the Fourth Proportional to 54,770.82, 75,583.96 and 29,620.32

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Solution

The fourth proportional to 54,770.82, 75,583.96 and 29,620.32 is: 40,876.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,770.82 : 75,583.96 = 29,620.32 : x
  2. Step 2: Convert to fraction form
    54,770.82/75,583.96 = 29,620.32/x
  3. Step 3: Cross multiply
    54,770.82x = 75,583.96 × 29,620.32
  4. Step 4: Simplify right side
    54,770.82x = 2,238,821,001.79
  5. Step 5: Solve for x
    x = 2,238,821,001.79/54,770.82
  6. Step 6: Final answer
    x = 40,876.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.