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Finding the Fourth Proportional to 54,915.72, 75,791.79 and 34,774.44

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Solution

The fourth proportional to 54,915.72, 75,791.79 and 34,774.44 is: 47,993.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,915.72 : 75,791.79 = 34,774.44 : x
  2. Step 2: Convert to fraction form
    54,915.72/75,791.79 = 34,774.44/x
  3. Step 3: Cross multiply
    54,915.72x = 75,791.79 × 34,774.44
  4. Step 4: Simplify right side
    54,915.72x = 2,635,617,053.85
  5. Step 5: Solve for x
    x = 2,635,617,053.85/54,915.72
  6. Step 6: Final answer
    x = 47,993.85

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1.5x scale

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.