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Finding the Fourth Proportional to 3,669.04, 5,490.95 and 2,851.04

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Solution

The fourth proportional to 3,669.04, 5,490.95 and 2,851.04 is: 4,266.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.04 : 5,490.95 = 2,851.04 : x
  2. Step 2: Convert to fraction form
    3,669.04/5,490.95 = 2,851.04/x
  3. Step 3: Cross multiply
    3,669.04x = 5,490.95 × 2,851.04
  4. Step 4: Simplify right side
    3,669.04x = 15,654,918.09
  5. Step 5: Solve for x
    x = 15,654,918.09/3,669.04
  6. Step 6: Final answer
    x = 4,266.76

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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.