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Finding the Fourth Proportional to 48,583.97, 67,062.66 and 28,447.32

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Solution

The fourth proportional to 48,583.97, 67,062.66 and 28,447.32 is: 39,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,583.97 : 67,062.66 = 28,447.32 : x
  2. Step 2: Convert to fraction form
    48,583.97/67,062.66 = 28,447.32/x
  3. Step 3: Cross multiply
    48,583.97x = 67,062.66 × 28,447.32
  4. Step 4: Simplify right side
    48,583.97x = 1,907,753,093.88
  5. Step 5: Solve for x
    x = 1,907,753,093.88/48,583.97
  6. Step 6: Final answer
    x = 39,267.13

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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.