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Finding the Fourth Proportional to 48,326.88, 66,691.62 and 26,817

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Solution

The fourth proportional to 48,326.88, 66,691.62 and 26,817 is: 37,007.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,326.88 : 66,691.62 = 26,817 : x
  2. Step 2: Convert to fraction form
    48,326.88/66,691.62 = 26,817/x
  3. Step 3: Cross multiply
    48,326.88x = 66,691.62 × 26,817
  4. Step 4: Simplify right side
    48,326.88x = 1,788,469,173.54
  5. Step 5: Solve for x
    x = 1,788,469,173.54/48,326.88
  6. Step 6: Final answer
    x = 37,007.75

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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.