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Finding the Fourth Proportional to 68,673.24, 94,761.24 and 38,454.36

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Solution

The fourth proportional to 68,673.24, 94,761.24 and 38,454.36 is: 53,062.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,673.24 : 94,761.24 = 38,454.36 : x
  2. Step 2: Convert to fraction form
    68,673.24/94,761.24 = 38,454.36/x
  3. Step 3: Cross multiply
    68,673.24x = 94,761.24 × 38,454.36
  4. Step 4: Simplify right side
    68,673.24x = 3,643,982,837.01
  5. Step 5: Solve for x
    x = 3,643,982,837.01/68,673.24
  6. Step 6: Final answer
    x = 53,062.63

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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.