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Finding the Fourth Proportional to 48,773.60, 73,163.08 and 13,710.48

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Solution

The fourth proportional to 48,773.60, 73,163.08 and 13,710.48 is: 20,566.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,773.60 : 73,163.08 = 13,710.48 : x
  2. Step 2: Convert to fraction form
    48,773.60/73,163.08 = 13,710.48/x
  3. Step 3: Cross multiply
    48,773.60x = 73,163.08 × 13,710.48
  4. Step 4: Simplify right side
    48,773.60x = 1,003,100,945.08
  5. Step 5: Solve for x
    x = 1,003,100,945.08/48,773.60
  6. Step 6: Final answer
    x = 20,566.47

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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.