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Finding the Fourth Proportional to 69,083.82, 95,335.67 and 39,275.82

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Solution

The fourth proportional to 69,083.82, 95,335.67 and 39,275.82 is: 54,200.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,083.82 : 95,335.67 = 39,275.82 : x
  2. Step 2: Convert to fraction form
    69,083.82/95,335.67 = 39,275.82/x
  3. Step 3: Cross multiply
    69,083.82x = 95,335.67 × 39,275.82
  4. Step 4: Simplify right side
    69,083.82x = 3,744,386,418.12
  5. Step 5: Solve for x
    x = 3,744,386,418.12/69,083.82
  6. Step 6: Final answer
    x = 54,200.63

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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.