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Finding the Fourth Proportional to 1,818.18, 2,726.07 and 995.82

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Solution

The fourth proportional to 1,818.18, 2,726.07 and 995.82 is: 1,493.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.18 : 2,726.07 = 995.82 : x
  2. Step 2: Convert to fraction form
    1,818.18/2,726.07 = 995.82/x
  3. Step 3: Cross multiply
    1,818.18x = 2,726.07 × 995.82
  4. Step 4: Simplify right side
    1,818.18x = 2,714,675.03
  5. Step 5: Solve for x
    x = 2,714,675.03/1,818.18
  6. Step 6: Final answer
    x = 1,493.07

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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.