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Finding the Fourth Proportional to 2,797.08, 4,195.62 and 849.48

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Solution

The fourth proportional to 2,797.08, 4,195.62 and 849.48 is: 1,274.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.08 : 4,195.62 = 849.48 : x
  2. Step 2: Convert to fraction form
    2,797.08/4,195.62 = 849.48/x
  3. Step 3: Cross multiply
    2,797.08x = 4,195.62 × 849.48
  4. Step 4: Simplify right side
    2,797.08x = 3,564,095.28
  5. Step 5: Solve for x
    x = 3,564,095.28/2,797.08
  6. Step 6: Final answer
    x = 1,274.22

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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.