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Finding the Fourth Proportional to 48,306.87, 66,664.62 and 27,085.68

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Solution

The fourth proportional to 48,306.87, 66,664.62 and 27,085.68 is: 37,378.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,306.87 : 66,664.62 = 27,085.68 : x
  2. Step 2: Convert to fraction form
    48,306.87/66,664.62 = 27,085.68/x
  3. Step 3: Cross multiply
    48,306.87x = 66,664.62 × 27,085.68
  4. Step 4: Simplify right side
    48,306.87x = 1,805,656,564.64
  5. Step 5: Solve for x
    x = 1,805,656,564.64/48,306.87
  6. Step 6: Final answer
    x = 37,378.88

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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.