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Finding the Fourth Proportional to 48,502.80, 66,928.44 and 27,281.61

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Solution

The fourth proportional to 48,502.80, 66,928.44 and 27,281.61 is: 37,645.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,502.80 : 66,928.44 = 27,281.61 : x
  2. Step 2: Convert to fraction form
    48,502.80/66,928.44 = 27,281.61/x
  3. Step 3: Cross multiply
    48,502.80x = 66,928.44 × 27,281.61
  4. Step 4: Simplify right side
    48,502.80x = 1,825,915,597.99
  5. Step 5: Solve for x
    x = 1,825,915,597.99/48,502.80
  6. Step 6: Final answer
    x = 37,645.57

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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.