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Finding the Fourth Proportional to 55,469.65, 76,542.15 and 32,809.45

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Solution

The fourth proportional to 55,469.65, 76,542.15 and 32,809.45 is: 45,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,469.65 : 76,542.15 = 32,809.45 : x
  2. Step 2: Convert to fraction form
    55,469.65/76,542.15 = 32,809.45/x
  3. Step 3: Cross multiply
    55,469.65x = 76,542.15 × 32,809.45
  4. Step 4: Simplify right side
    55,469.65x = 2,511,305,843.32
  5. Step 5: Solve for x
    x = 2,511,305,843.32/55,469.65
  6. Step 6: Final answer
    x = 45,273.51

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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.