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Finding the Fourth Proportional to 48,489.36, 72,734.10 and 17,327.04

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Solution

The fourth proportional to 48,489.36, 72,734.10 and 17,327.04 is: 25,990.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,489.36 : 72,734.10 = 17,327.04 : x
  2. Step 2: Convert to fraction form
    48,489.36/72,734.10 = 17,327.04/x
  3. Step 3: Cross multiply
    48,489.36x = 72,734.10 × 17,327.04
  4. Step 4: Simplify right side
    48,489.36x = 1,260,266,660.06
  5. Step 5: Solve for x
    x = 1,260,266,660.06/48,489.36
  6. Step 6: Final answer
    x = 25,990.58

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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.