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Finding the Fourth Proportional to 2,673.18, 4,009.04 and 798.63

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Solution

The fourth proportional to 2,673.18, 4,009.04 and 798.63 is: 1,197.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.18 : 4,009.04 = 798.63 : x
  2. Step 2: Convert to fraction form
    2,673.18/4,009.04 = 798.63/x
  3. Step 3: Cross multiply
    2,673.18x = 4,009.04 × 798.63
  4. Step 4: Simplify right side
    2,673.18x = 3,201,723.85
  5. Step 5: Solve for x
    x = 3,201,723.85/2,673.18
  6. Step 6: Final answer
    x = 1,197.72

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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.