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Finding the Fourth Proportional to 48,108.80, 72,163.20 and 27,372.80

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Solution

The fourth proportional to 48,108.80, 72,163.20 and 27,372.80 is: 41,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,108.80 : 72,163.20 = 27,372.80 : x
  2. Step 2: Convert to fraction form
    48,108.80/72,163.20 = 27,372.80/x
  3. Step 3: Cross multiply
    48,108.80x = 72,163.20 × 27,372.80
  4. Step 4: Simplify right side
    48,108.80x = 1,975,308,840.96
  5. Step 5: Solve for x
    x = 1,975,308,840.96/48,108.80
  6. Step 6: Final answer
    x = 41,059.20

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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.