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Finding the Fourth Proportional to 2,775.94, 4,167.56 and 2,546.71

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Solution

The fourth proportional to 2,775.94, 4,167.56 and 2,546.71 is: 3,823.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.94 : 4,167.56 = 2,546.71 : x
  2. Step 2: Convert to fraction form
    2,775.94/4,167.56 = 2,546.71/x
  3. Step 3: Cross multiply
    2,775.94x = 4,167.56 × 2,546.71
  4. Step 4: Simplify right side
    2,775.94x = 10,613,562.68
  5. Step 5: Solve for x
    x = 10,613,562.68/2,775.94
  6. Step 6: Final answer
    x = 3,823.42

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1.5x scale

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.