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Finding the Fourth Proportional to 48,863.63, 73,171.38 and 40,945.32

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Solution

The fourth proportional to 48,863.63, 73,171.38 and 40,945.32 is: 61,314.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,863.63 : 73,171.38 = 40,945.32 : x
  2. Step 2: Convert to fraction form
    48,863.63/73,171.38 = 40,945.32/x
  3. Step 3: Cross multiply
    48,863.63x = 73,171.38 × 40,945.32
  4. Step 4: Simplify right side
    48,863.63x = 2,996,025,568.94
  5. Step 5: Solve for x
    x = 2,996,025,568.94/48,863.63
  6. Step 6: Final answer
    x = 61,314.02

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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.