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Finding the Fourth Proportional to 48,991.80, 73,517.94 and 22,691.64

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Solution

The fourth proportional to 48,991.80, 73,517.94 and 22,691.64 is: 34,051.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,991.80 : 73,517.94 = 22,691.64 : x
  2. Step 2: Convert to fraction form
    48,991.80/73,517.94 = 22,691.64/x
  3. Step 3: Cross multiply
    48,991.80x = 73,517.94 × 22,691.64
  4. Step 4: Simplify right side
    48,991.80x = 1,668,242,628.02
  5. Step 5: Solve for x
    x = 1,668,242,628.02/48,991.80
  6. Step 6: Final answer
    x = 34,051.47

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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.