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Finding the Fourth Proportional to 48,879, 73,316.94 and 15,601.09

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Solution

The fourth proportional to 48,879, 73,316.94 and 15,601.09 is: 23,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,879 : 73,316.94 = 15,601.09 : x
  2. Step 2: Convert to fraction form
    48,879/73,316.94 = 15,601.09/x
  3. Step 3: Cross multiply
    48,879x = 73,316.94 × 15,601.09
  4. Step 4: Simplify right side
    48,879x = 1,143,824,179.46
  5. Step 5: Solve for x
    x = 1,143,824,179.46/48,879
  6. Step 6: Final answer
    x = 23,401.14

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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.