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Finding the Fourth Proportional to 48,481.60, 72,722.46 and 41,887.84

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Solution

The fourth proportional to 48,481.60, 72,722.46 and 41,887.84 is: 62,831.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,481.60 : 72,722.46 = 41,887.84 : x
  2. Step 2: Convert to fraction form
    48,481.60/72,722.46 = 41,887.84/x
  3. Step 3: Cross multiply
    48,481.60x = 72,722.46 × 41,887.84
  4. Step 4: Simplify right side
    48,481.60x = 3,046,186,768.89
  5. Step 5: Solve for x
    x = 3,046,186,768.89/48,481.60
  6. Step 6: Final answer
    x = 62,831.81

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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.