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Finding the Fourth Proportional to 2,283.27, 3,424.91 and 551.90

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Solution

The fourth proportional to 2,283.27, 3,424.91 and 551.90 is: 827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.27 : 3,424.91 = 551.90 : x
  2. Step 2: Convert to fraction form
    2,283.27/3,424.91 = 551.90/x
  3. Step 3: Cross multiply
    2,283.27x = 3,424.91 × 551.90
  4. Step 4: Simplify right side
    2,283.27x = 1,890,192.08
  5. Step 5: Solve for x
    x = 1,890,192.08/2,283.27
  6. Step 6: Final answer
    x = 827.84

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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.