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Finding the Fourth Proportional to 62,473.66, 86,215.92 and 35,611.82

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Solution

The fourth proportional to 62,473.66, 86,215.92 and 35,611.82 is: 49,145.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,473.66 : 86,215.92 = 35,611.82 : x
  2. Step 2: Convert to fraction form
    62,473.66/86,215.92 = 35,611.82/x
  3. Step 3: Cross multiply
    62,473.66x = 86,215.92 × 35,611.82
  4. Step 4: Simplify right side
    62,473.66x = 3,070,305,824.17
  5. Step 5: Solve for x
    x = 3,070,305,824.17/62,473.66
  6. Step 6: Final answer
    x = 49,145.61

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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.