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Finding the Fourth Proportional to 5,815.63, 8,726.91 and 2,696.73

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Solution

The fourth proportional to 5,815.63, 8,726.91 and 2,696.73 is: 4,046.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.63 : 8,726.91 = 2,696.73 : x
  2. Step 2: Convert to fraction form
    5,815.63/8,726.91 = 2,696.73/x
  3. Step 3: Cross multiply
    5,815.63x = 8,726.91 × 2,696.73
  4. Step 4: Simplify right side
    5,815.63x = 23,534,077.17
  5. Step 5: Solve for x
    x = 23,534,077.17/5,815.63
  6. Step 6: Final answer
    x = 4,046.69

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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.