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Finding the Fourth Proportional to 2,673.88, 3,690 and 1,494.92

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Solution

The fourth proportional to 2,673.88, 3,690 and 1,494.92 is: 2,063.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.88 : 3,690 = 1,494.92 : x
  2. Step 2: Convert to fraction form
    2,673.88/3,690 = 1,494.92/x
  3. Step 3: Cross multiply
    2,673.88x = 3,690 × 1,494.92
  4. Step 4: Simplify right side
    2,673.88x = 5,516,254.80
  5. Step 5: Solve for x
    x = 5,516,254.80/2,673.88
  6. Step 6: Final answer
    x = 2,063.02

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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.