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Finding the Fourth Proportional to 1,842.73, 2,764.58 and 1,116.97

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Solution

The fourth proportional to 1,842.73, 2,764.58 and 1,116.97 is: 1,675.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.73 : 2,764.58 = 1,116.97 : x
  2. Step 2: Convert to fraction form
    1,842.73/2,764.58 = 1,116.97/x
  3. Step 3: Cross multiply
    1,842.73x = 2,764.58 × 1,116.97
  4. Step 4: Simplify right side
    1,842.73x = 3,087,952.92
  5. Step 5: Solve for x
    x = 3,087,952.92/1,842.73
  6. Step 6: Final answer
    x = 1,675.75

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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.