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Finding the Fourth Proportional to 62,841.92, 94,276.83 and 20,735.06

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Solution

The fourth proportional to 62,841.92, 94,276.83 and 20,735.06 is: 31,107.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,841.92 : 94,276.83 = 20,735.06 : x
  2. Step 2: Convert to fraction form
    62,841.92/94,276.83 = 20,735.06/x
  3. Step 3: Cross multiply
    62,841.92x = 94,276.83 × 20,735.06
  4. Step 4: Simplify right side
    62,841.92x = 1,954,835,726.66
  5. Step 5: Solve for x
    x = 1,954,835,726.66/62,841.92
  6. Step 6: Final answer
    x = 31,107.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.