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Finding the Fourth Proportional to 48,708.76, 73,086.26 and 33,738.90

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Solution

The fourth proportional to 48,708.76, 73,086.26 and 33,738.90 is: 50,624.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,708.76 : 73,086.26 = 33,738.90 : x
  2. Step 2: Convert to fraction form
    48,708.76/73,086.26 = 33,738.90/x
  3. Step 3: Cross multiply
    48,708.76x = 73,086.26 × 33,738.90
  4. Step 4: Simplify right side
    48,708.76x = 2,465,850,017.51
  5. Step 5: Solve for x
    x = 2,465,850,017.51/48,708.76
  6. Step 6: Final answer
    x = 50,624.36

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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.