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Finding the Fourth Proportional to 2,773.16, 3,826.81 and 1,654.07

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Solution

The fourth proportional to 2,773.16, 3,826.81 and 1,654.07 is: 2,282.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.16 : 3,826.81 = 1,654.07 : x
  2. Step 2: Convert to fraction form
    2,773.16/3,826.81 = 1,654.07/x
  3. Step 3: Cross multiply
    2,773.16x = 3,826.81 × 1,654.07
  4. Step 4: Simplify right side
    2,773.16x = 6,329,811.62
  5. Step 5: Solve for x
    x = 6,329,811.62/2,773.16
  6. Step 6: Final answer
    x = 2,282.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.