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Finding the Fourth Proportional to 54,006.72, 74,480.82 and 33,865.80

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Solution

The fourth proportional to 54,006.72, 74,480.82 and 33,865.80 is: 46,704.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,006.72 : 74,480.82 = 33,865.80 : x
  2. Step 2: Convert to fraction form
    54,006.72/74,480.82 = 33,865.80/x
  3. Step 3: Cross multiply
    54,006.72x = 74,480.82 × 33,865.80
  4. Step 4: Simplify right side
    54,006.72x = 2,522,352,553.96
  5. Step 5: Solve for x
    x = 2,522,352,553.96/54,006.72
  6. Step 6: Final answer
    x = 46,704.42

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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.