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Finding the Fourth Proportional to 48,468.80, 72,703.20 and 33,723.20

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Solution

The fourth proportional to 48,468.80, 72,703.20 and 33,723.20 is: 50,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,468.80 : 72,703.20 = 33,723.20 : x
  2. Step 2: Convert to fraction form
    48,468.80/72,703.20 = 33,723.20/x
  3. Step 3: Cross multiply
    48,468.80x = 72,703.20 × 33,723.20
  4. Step 4: Simplify right side
    48,468.80x = 2,451,784,554.24
  5. Step 5: Solve for x
    x = 2,451,784,554.24/48,468.80
  6. Step 6: Final answer
    x = 50,584.80

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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.