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Finding the Fourth Proportional to 68,471.62, 94,481.44 and 38,253.19

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Solution

The fourth proportional to 68,471.62, 94,481.44 and 38,253.19 is: 52,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,471.62 : 94,481.44 = 38,253.19 : x
  2. Step 2: Convert to fraction form
    68,471.62/94,481.44 = 38,253.19/x
  3. Step 3: Cross multiply
    68,471.62x = 94,481.44 × 38,253.19
  4. Step 4: Simplify right side
    68,471.62x = 3,614,216,475.79
  5. Step 5: Solve for x
    x = 3,614,216,475.79/68,471.62
  6. Step 6: Final answer
    x = 52,784.15

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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.