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Finding the Fourth Proportional to 48,705.20, 73,000.20 and 25,319.60

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Solution

The fourth proportional to 48,705.20, 73,000.20 and 25,319.60 is: 37,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,705.20 : 73,000.20 = 25,319.60 : x
  2. Step 2: Convert to fraction form
    48,705.20/73,000.20 = 25,319.60/x
  3. Step 3: Cross multiply
    48,705.20x = 73,000.20 × 25,319.60
  4. Step 4: Simplify right side
    48,705.20x = 1,848,335,863.92
  5. Step 5: Solve for x
    x = 1,848,335,863.92/48,705.20
  6. Step 6: Final answer
    x = 37,949.46

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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.