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Finding the Fourth Proportional to 1,817.10, 2,726.84 and 995.95

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Solution

The fourth proportional to 1,817.10, 2,726.84 and 995.95 is: 1,494.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.10 : 2,726.84 = 995.95 : x
  2. Step 2: Convert to fraction form
    1,817.10/2,726.84 = 995.95/x
  3. Step 3: Cross multiply
    1,817.10x = 2,726.84 × 995.95
  4. Step 4: Simplify right side
    1,817.10x = 2,715,791.97
  5. Step 5: Solve for x
    x = 2,715,791.97/1,817.10
  6. Step 6: Final answer
    x = 1,494.57

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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.