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Finding the Fourth Proportional to 48,992.63, 67,607.87 and 28,850.36

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Solution

The fourth proportional to 48,992.63, 67,607.87 and 28,850.36 is: 39,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,992.63 : 67,607.87 = 28,850.36 : x
  2. Step 2: Convert to fraction form
    48,992.63/67,607.87 = 28,850.36/x
  3. Step 3: Cross multiply
    48,992.63x = 67,607.87 × 28,850.36
  4. Step 4: Simplify right side
    48,992.63x = 1,950,510,906.04
  5. Step 5: Solve for x
    x = 1,950,510,906.04/48,992.63
  6. Step 6: Final answer
    x = 39,812.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.