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Finding the Fourth Proportional to 2,065.88, 3,099.10 and 1,092.04

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Solution

The fourth proportional to 2,065.88, 3,099.10 and 1,092.04 is: 1,638.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.88 : 3,099.10 = 1,092.04 : x
  2. Step 2: Convert to fraction form
    2,065.88/3,099.10 = 1,092.04/x
  3. Step 3: Cross multiply
    2,065.88x = 3,099.10 × 1,092.04
  4. Step 4: Simplify right side
    2,065.88x = 3,384,341.16
  5. Step 5: Solve for x
    x = 3,384,341.16/2,065.88
  6. Step 6: Final answer
    x = 1,638.21

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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.