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Finding the Fourth Proportional to 48,789.44, 73,300.92 and 31,293.44

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Solution

The fourth proportional to 48,789.44, 73,300.92 and 31,293.44 is: 47,015.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,789.44 : 73,300.92 = 31,293.44 : x
  2. Step 2: Convert to fraction form
    48,789.44/73,300.92 = 31,293.44/x
  3. Step 3: Cross multiply
    48,789.44x = 73,300.92 × 31,293.44
  4. Step 4: Simplify right side
    48,789.44x = 2,293,837,941.96
  5. Step 5: Solve for x
    x = 2,293,837,941.96/48,789.44
  6. Step 6: Final answer
    x = 47,015.05

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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.