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Finding the Fourth Proportional to 48,949.62, 73,424.50 and 12,013.62

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Solution

The fourth proportional to 48,949.62, 73,424.50 and 12,013.62 is: 18,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,949.62 : 73,424.50 = 12,013.62 : x
  2. Step 2: Convert to fraction form
    48,949.62/73,424.50 = 12,013.62/x
  3. Step 3: Cross multiply
    48,949.62x = 73,424.50 × 12,013.62
  4. Step 4: Simplify right side
    48,949.62x = 882,094,041.69
  5. Step 5: Solve for x
    x = 882,094,041.69/48,949.62
  6. Step 6: Final answer
    x = 18,020.45

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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.