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Finding the Fourth Proportional to 3,575.52, 5,369.76 and 3,116.52

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Solution

The fourth proportional to 3,575.52, 5,369.76 and 3,116.52 is: 4,680.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.52 : 5,369.76 = 3,116.52 : x
  2. Step 2: Convert to fraction form
    3,575.52/5,369.76 = 3,116.52/x
  3. Step 3: Cross multiply
    3,575.52x = 5,369.76 × 3,116.52
  4. Step 4: Simplify right side
    3,575.52x = 16,734,964.44
  5. Step 5: Solve for x
    x = 16,734,964.44/3,575.52
  6. Step 6: Final answer
    x = 4,680.43

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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.