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Finding the Fourth Proportional to 41,736, 62,632.80 and 17,112

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Solution

The fourth proportional to 41,736, 62,632.80 and 17,112 is: 25,679.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,736 : 62,632.80 = 17,112 : x
  2. Step 2: Convert to fraction form
    41,736/62,632.80 = 17,112/x
  3. Step 3: Cross multiply
    41,736x = 62,632.80 × 17,112
  4. Step 4: Simplify right side
    41,736x = 1,071,772,473.60
  5. Step 5: Solve for x
    x = 1,071,772,473.60/41,736
  6. Step 6: Final answer
    x = 25,679.81

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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.