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Finding the Fourth Proportional to 62,843.62, 86,724.76 and 34,163.34

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Solution

The fourth proportional to 62,843.62, 86,724.76 and 34,163.34 is: 47,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,843.62 : 86,724.76 = 34,163.34 : x
  2. Step 2: Convert to fraction form
    62,843.62/86,724.76 = 34,163.34/x
  3. Step 3: Cross multiply
    62,843.62x = 86,724.76 × 34,163.34
  4. Step 4: Simplify right side
    62,843.62x = 2,962,807,462.30
  5. Step 5: Solve for x
    x = 2,962,807,462.30/62,843.62
  6. Step 6: Final answer
    x = 47,145.72

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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.