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Finding the Fourth Proportional to 2,497.82, 3,746.43 and 854.54

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Solution

The fourth proportional to 2,497.82, 3,746.43 and 854.54 is: 1,281.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.82 : 3,746.43 = 854.54 : x
  2. Step 2: Convert to fraction form
    2,497.82/3,746.43 = 854.54/x
  3. Step 3: Cross multiply
    2,497.82x = 3,746.43 × 854.54
  4. Step 4: Simplify right side
    2,497.82x = 3,201,474.29
  5. Step 5: Solve for x
    x = 3,201,474.29/2,497.82
  6. Step 6: Final answer
    x = 1,281.71

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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.