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Finding the Fourth Proportional to 3,034.52, 4,551.80 and 1,086.80

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Solution

The fourth proportional to 3,034.52, 4,551.80 and 1,086.80 is: 1,630.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.52 : 4,551.80 = 1,086.80 : x
  2. Step 2: Convert to fraction form
    3,034.52/4,551.80 = 1,086.80/x
  3. Step 3: Cross multiply
    3,034.52x = 4,551.80 × 1,086.80
  4. Step 4: Simplify right side
    3,034.52x = 4,946,896.24
  5. Step 5: Solve for x
    x = 4,946,896.24/3,034.52
  6. Step 6: Final answer
    x = 1,630.21

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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.