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Finding the Fourth Proportional to 48,583.86, 67,076.68 and 39,652.66

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Solution

The fourth proportional to 48,583.86, 67,076.68 and 39,652.66 is: 54,745.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,583.86 : 67,076.68 = 39,652.66 : x
  2. Step 2: Convert to fraction form
    48,583.86/67,076.68 = 39,652.66/x
  3. Step 3: Cross multiply
    48,583.86x = 67,076.68 × 39,652.66
  4. Step 4: Simplify right side
    48,583.86x = 2,659,768,785.97
  5. Step 5: Solve for x
    x = 2,659,768,785.97/48,583.86
  6. Step 6: Final answer
    x = 54,745.93

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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.