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Finding the Fourth Proportional to 62,825.80, 86,689.14 and 41,633.80

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Solution

The fourth proportional to 62,825.80, 86,689.14 and 41,633.80 is: 57,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,825.80 : 86,689.14 = 41,633.80 : x
  2. Step 2: Convert to fraction form
    62,825.80/86,689.14 = 41,633.80/x
  3. Step 3: Cross multiply
    62,825.80x = 86,689.14 × 41,633.80
  4. Step 4: Simplify right side
    62,825.80x = 3,609,198,316.93
  5. Step 5: Solve for x
    x = 3,609,198,316.93/62,825.80
  6. Step 6: Final answer
    x = 57,447.71

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1.5x scale

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.