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Finding the Fourth Proportional to 54,481.61, 75,190.70 and 32,983.20

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Solution

The fourth proportional to 54,481.61, 75,190.70 and 32,983.20 is: 45,520.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,481.61 : 75,190.70 = 32,983.20 : x
  2. Step 2: Convert to fraction form
    54,481.61/75,190.70 = 32,983.20/x
  3. Step 3: Cross multiply
    54,481.61x = 75,190.70 × 32,983.20
  4. Step 4: Simplify right side
    54,481.61x = 2,480,029,896.24
  5. Step 5: Solve for x
    x = 2,480,029,896.24/54,481.61
  6. Step 6: Final answer
    x = 45,520.50

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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.