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Finding the Fourth Proportional to 48,879.68, 73,318.62 and 15,599.48

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Solution

The fourth proportional to 48,879.68, 73,318.62 and 15,599.48 is: 23,398.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,879.68 : 73,318.62 = 15,599.48 : x
  2. Step 2: Convert to fraction form
    48,879.68/73,318.62 = 15,599.48/x
  3. Step 3: Cross multiply
    48,879.68x = 73,318.62 × 15,599.48
  4. Step 4: Simplify right side
    48,879.68x = 1,143,732,346.32
  5. Step 5: Solve for x
    x = 1,143,732,346.32/48,879.68
  6. Step 6: Final answer
    x = 23,398.93

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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.