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Finding the Fourth Proportional to 54,732.64, 75,480.60 and 34,554.64

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Solution

The fourth proportional to 54,732.64, 75,480.60 and 34,554.64 is: 47,653.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,732.64 : 75,480.60 = 34,554.64 : x
  2. Step 2: Convert to fraction form
    54,732.64/75,480.60 = 34,554.64/x
  3. Step 3: Cross multiply
    54,732.64x = 75,480.60 × 34,554.64
  4. Step 4: Simplify right side
    54,732.64x = 2,608,204,959.98
  5. Step 5: Solve for x
    x = 2,608,204,959.98/54,732.64
  6. Step 6: Final answer
    x = 47,653.56

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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.