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Finding the Fourth Proportional to 62,841.88, 86,723.46 and 34,163.48

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Solution

The fourth proportional to 62,841.88, 86,723.46 and 34,163.48 is: 47,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,841.88 : 86,723.46 = 34,163.48 : x
  2. Step 2: Convert to fraction form
    62,841.88/86,723.46 = 34,163.48/x
  3. Step 3: Cross multiply
    62,841.88x = 86,723.46 × 34,163.48
  4. Step 4: Simplify right side
    62,841.88x = 2,962,775,191.24
  5. Step 5: Solve for x
    x = 2,962,775,191.24/62,841.88
  6. Step 6: Final answer
    x = 47,146.51

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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.