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Finding the Fourth Proportional to 48,736.70, 73,099.65 and 39,956.30

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Solution

The fourth proportional to 48,736.70, 73,099.65 and 39,956.30 is: 59,930.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,736.70 : 73,099.65 = 39,956.30 : x
  2. Step 2: Convert to fraction form
    48,736.70/73,099.65 = 39,956.30/x
  3. Step 3: Cross multiply
    48,736.70x = 73,099.65 × 39,956.30
  4. Step 4: Simplify right side
    48,736.70x = 2,920,791,545.30
  5. Step 5: Solve for x
    x = 2,920,791,545.30/48,736.70
  6. Step 6: Final answer
    x = 59,930.02

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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.