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Finding the Fourth Proportional to 2,673.71, 3,689.85 and 1,494.75

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Solution

The fourth proportional to 2,673.71, 3,689.85 and 1,494.75 is: 2,062.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.71 : 3,689.85 = 1,494.75 : x
  2. Step 2: Convert to fraction form
    2,673.71/3,689.85 = 1,494.75/x
  3. Step 3: Cross multiply
    2,673.71x = 3,689.85 × 1,494.75
  4. Step 4: Simplify right side
    2,673.71x = 5,515,422.73
  5. Step 5: Solve for x
    x = 5,515,422.73/2,673.71
  6. Step 6: Final answer
    x = 2,062.84

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1.5x scale

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.