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Finding the Fourth Proportional to 48,815.73, 67,347.05 and 36,099.54

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Solution

The fourth proportional to 48,815.73, 67,347.05 and 36,099.54 is: 49,803.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,815.73 : 67,347.05 = 36,099.54 : x
  2. Step 2: Convert to fraction form
    48,815.73/67,347.05 = 36,099.54/x
  3. Step 3: Cross multiply
    48,815.73x = 67,347.05 × 36,099.54
  4. Step 4: Simplify right side
    48,815.73x = 2,431,197,344.86
  5. Step 5: Solve for x
    x = 2,431,197,344.86/48,815.73
  6. Step 6: Final answer
    x = 49,803.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.