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Finding the Fourth Proportional to 54,331.80, 73,114.65 and 54,331.80

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Solution

The fourth proportional to 54,331.80, 73,114.65 and 54,331.80 is: 73,114.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,331.80 : 73,114.65 = 54,331.80 : x
  2. Step 2: Convert to fraction form
    54,331.80/73,114.65 = 54,331.80/x
  3. Step 3: Cross multiply
    54,331.80x = 73,114.65 × 54,331.80
  4. Step 4: Simplify right side
    54,331.80x = 3,972,450,540.87
  5. Step 5: Solve for x
    x = 3,972,450,540.87/54,331.80
  6. Step 6: Final answer
    x = 73,114.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.