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Finding the Fourth Proportional to 5,630.88, 7,770.42 and 3,273

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Solution

The fourth proportional to 5,630.88, 7,770.42 and 3,273 is: 4,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.88 : 7,770.42 = 3,273 : x
  2. Step 2: Convert to fraction form
    5,630.88/7,770.42 = 3,273/x
  3. Step 3: Cross multiply
    5,630.88x = 7,770.42 × 3,273
  4. Step 4: Simplify right side
    5,630.88x = 25,432,584.66
  5. Step 5: Solve for x
    x = 25,432,584.66/5,630.88
  6. Step 6: Final answer
    x = 4,516.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.