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Finding the Fourth Proportional to 48,810.80, 73,216.20 and 41,447.90

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Solution

The fourth proportional to 48,810.80, 73,216.20 and 41,447.90 is: 62,171.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,810.80 : 73,216.20 = 41,447.90 : x
  2. Step 2: Convert to fraction form
    48,810.80/73,216.20 = 41,447.90/x
  3. Step 3: Cross multiply
    48,810.80x = 73,216.20 × 41,447.90
  4. Step 4: Simplify right side
    48,810.80x = 3,034,657,735.98
  5. Step 5: Solve for x
    x = 3,034,657,735.98/48,810.80
  6. Step 6: Final answer
    x = 62,171.85

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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.