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Finding the Fourth Proportional to 48,310.32, 66,668.13 and 27,089.13

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Solution

The fourth proportional to 48,310.32, 66,668.13 and 27,089.13 is: 37,382.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,310.32 : 66,668.13 = 27,089.13 : x
  2. Step 2: Convert to fraction form
    48,310.32/66,668.13 = 27,089.13/x
  3. Step 3: Cross multiply
    48,310.32x = 66,668.13 × 27,089.13
  4. Step 4: Simplify right side
    48,310.32x = 1,805,981,640.43
  5. Step 5: Solve for x
    x = 1,805,981,640.43/48,310.32
  6. Step 6: Final answer
    x = 37,382.94

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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.