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Finding the Fourth Proportional to 62,936.56, 86,808.22 and 41,419.45

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Solution

The fourth proportional to 62,936.56, 86,808.22 and 41,419.45 is: 57,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,936.56 : 86,808.22 = 41,419.45 : x
  2. Step 2: Convert to fraction form
    62,936.56/86,808.22 = 41,419.45/x
  3. Step 3: Cross multiply
    62,936.56x = 86,808.22 × 41,419.45
  4. Step 4: Simplify right side
    62,936.56x = 3,595,548,727.88
  5. Step 5: Solve for x
    x = 3,595,548,727.88/62,936.56
  6. Step 6: Final answer
    x = 57,129.73

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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.