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Finding the Fourth Proportional to 54,776.56, 75,591.60 and 29,626

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Solution

The fourth proportional to 54,776.56, 75,591.60 and 29,626 is: 40,883.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,776.56 : 75,591.60 = 29,626 : x
  2. Step 2: Convert to fraction form
    54,776.56/75,591.60 = 29,626/x
  3. Step 3: Cross multiply
    54,776.56x = 75,591.60 × 29,626
  4. Step 4: Simplify right side
    54,776.56x = 2,239,476,741.60
  5. Step 5: Solve for x
    x = 2,239,476,741.60/54,776.56
  6. Step 6: Final answer
    x = 40,883.85

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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.