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Finding the Fourth Proportional to 2,673.29, 4,008.51 and 940.70

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Solution

The fourth proportional to 2,673.29, 4,008.51 and 940.70 is: 1,410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.29 : 4,008.51 = 940.70 : x
  2. Step 2: Convert to fraction form
    2,673.29/4,008.51 = 940.70/x
  3. Step 3: Cross multiply
    2,673.29x = 4,008.51 × 940.70
  4. Step 4: Simplify right side
    2,673.29x = 3,770,785.31
  5. Step 5: Solve for x
    x = 3,770,785.31/2,673.29
  6. Step 6: Final answer
    x = 1,410.54

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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.