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Finding the Fourth Proportional to 36,369.20, 54,456.60 and 36,369.20

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Solution

The fourth proportional to 36,369.20, 54,456.60 and 36,369.20 is: 54,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,369.20 : 54,456.60 = 36,369.20 : x
  2. Step 2: Convert to fraction form
    36,369.20/54,456.60 = 36,369.20/x
  3. Step 3: Cross multiply
    36,369.20x = 54,456.60 × 36,369.20
  4. Step 4: Simplify right side
    36,369.20x = 1,980,542,976.72
  5. Step 5: Solve for x
    x = 1,980,542,976.72/36,369.20
  6. Step 6: Final answer
    x = 54,456.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.