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Finding the Fourth Proportional to 48,993.39, 73,493.43 and 19,411.18

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Solution

The fourth proportional to 48,993.39, 73,493.43 and 19,411.18 is: 29,118.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,993.39 : 73,493.43 = 19,411.18 : x
  2. Step 2: Convert to fraction form
    48,993.39/73,493.43 = 19,411.18/x
  3. Step 3: Cross multiply
    48,993.39x = 73,493.43 × 19,411.18
  4. Step 4: Simplify right side
    48,993.39x = 1,426,593,942.02
  5. Step 5: Solve for x
    x = 1,426,593,942.02/48,993.39
  6. Step 6: Final answer
    x = 29,118.09

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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.