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Finding the Fourth Proportional to 62,994.92, 86,933 and 34,700.61

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Solution

The fourth proportional to 62,994.92, 86,933 and 34,700.61 is: 47,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,994.92 : 86,933 = 34,700.61 : x
  2. Step 2: Convert to fraction form
    62,994.92/86,933 = 34,700.61/x
  3. Step 3: Cross multiply
    62,994.92x = 86,933 × 34,700.61
  4. Step 4: Simplify right side
    62,994.92x = 3,016,628,129.13
  5. Step 5: Solve for x
    x = 3,016,628,129.13/62,994.92
  6. Step 6: Final answer
    x = 47,886.85

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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.