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Finding the Fourth Proportional to 63,229.88, 87,244.62 and 38,081

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Solution

The fourth proportional to 63,229.88, 87,244.62 and 38,081 is: 52,544.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,229.88 : 87,244.62 = 38,081 : x
  2. Step 2: Convert to fraction form
    63,229.88/87,244.62 = 38,081/x
  3. Step 3: Cross multiply
    63,229.88x = 87,244.62 × 38,081
  4. Step 4: Simplify right side
    63,229.88x = 3,322,362,374.22
  5. Step 5: Solve for x
    x = 3,322,362,374.22/63,229.88
  6. Step 6: Final answer
    x = 52,544.18

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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.