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Finding the Fourth Proportional to 62,478.44, 86,221.49 and 34,184.73

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Solution

The fourth proportional to 62,478.44, 86,221.49 and 34,184.73 is: 47,175.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,478.44 : 86,221.49 = 34,184.73 : x
  2. Step 2: Convert to fraction form
    62,478.44/86,221.49 = 34,184.73/x
  3. Step 3: Cross multiply
    62,478.44x = 86,221.49 × 34,184.73
  4. Step 4: Simplify right side
    62,478.44x = 2,947,458,184.92
  5. Step 5: Solve for x
    x = 2,947,458,184.92/62,478.44
  6. Step 6: Final answer
    x = 47,175.61

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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.