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Finding the Fourth Proportional to 1,827.93, 2,743.50 and 854.58

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Solution

The fourth proportional to 1,827.93, 2,743.50 and 854.58 is: 1,282.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.93 : 2,743.50 = 854.58 : x
  2. Step 2: Convert to fraction form
    1,827.93/2,743.50 = 854.58/x
  3. Step 3: Cross multiply
    1,827.93x = 2,743.50 × 854.58
  4. Step 4: Simplify right side
    1,827.93x = 2,344,540.23
  5. Step 5: Solve for x
    x = 2,344,540.23/1,827.93
  6. Step 6: Final answer
    x = 1,282.62

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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.