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Finding the Fourth Proportional to 48,730.87, 73,096.30 and 11,794.87

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Solution

The fourth proportional to 48,730.87, 73,096.30 and 11,794.87 is: 17,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,730.87 : 73,096.30 = 11,794.87 : x
  2. Step 2: Convert to fraction form
    48,730.87/73,096.30 = 11,794.87/x
  3. Step 3: Cross multiply
    48,730.87x = 73,096.30 × 11,794.87
  4. Step 4: Simplify right side
    48,730.87x = 862,160,990.50
  5. Step 5: Solve for x
    x = 862,160,990.50/48,730.87
  6. Step 6: Final answer
    x = 17,692.30

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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.