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Finding the Fourth Proportional to 48,998.62, 73,487.49 and 28,723.24

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Solution

The fourth proportional to 48,998.62, 73,487.49 and 28,723.24 is: 43,078.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,998.62 : 73,487.49 = 28,723.24 : x
  2. Step 2: Convert to fraction form
    48,998.62/73,487.49 = 28,723.24/x
  3. Step 3: Cross multiply
    48,998.62x = 73,487.49 × 28,723.24
  4. Step 4: Simplify right side
    48,998.62x = 2,110,798,812.27
  5. Step 5: Solve for x
    x = 2,110,798,812.27/48,998.62
  6. Step 6: Final answer
    x = 43,078.74

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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.