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Finding the Fourth Proportional to 55,081.62, 82,627.80 and 17,632.26

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Solution

The fourth proportional to 55,081.62, 82,627.80 and 17,632.26 is: 26,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,081.62 : 82,627.80 = 17,632.26 : x
  2. Step 2: Convert to fraction form
    55,081.62/82,627.80 = 17,632.26/x
  3. Step 3: Cross multiply
    55,081.62x = 82,627.80 × 17,632.26
  4. Step 4: Simplify right side
    55,081.62x = 1,456,914,852.83
  5. Step 5: Solve for x
    x = 1,456,914,852.83/55,081.62
  6. Step 6: Final answer
    x = 26,450.11

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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.