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Finding the Fourth Proportional to 48,653.65, 72,936.55 and 17,481.61

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Solution

The fourth proportional to 48,653.65, 72,936.55 and 17,481.61 is: 26,206.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,653.65 : 72,936.55 = 17,481.61 : x
  2. Step 2: Convert to fraction form
    48,653.65/72,936.55 = 17,481.61/x
  3. Step 3: Cross multiply
    48,653.65x = 72,936.55 × 17,481.61
  4. Step 4: Simplify right side
    48,653.65x = 1,275,048,161.36
  5. Step 5: Solve for x
    x = 1,275,048,161.36/48,653.65
  6. Step 6: Final answer
    x = 26,206.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.