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Finding the Fourth Proportional to 2,766.07, 4,151.71 and 1,842.28

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Solution

The fourth proportional to 2,766.07, 4,151.71 and 1,842.28 is: 2,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.07 : 4,151.71 = 1,842.28 : x
  2. Step 2: Convert to fraction form
    2,766.07/4,151.71 = 1,842.28/x
  3. Step 3: Cross multiply
    2,766.07x = 4,151.71 × 1,842.28
  4. Step 4: Simplify right side
    2,766.07x = 7,648,604.22
  5. Step 5: Solve for x
    x = 7,648,604.22/2,766.07
  6. Step 6: Final answer
    x = 2,765.15

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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.