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Finding the Fourth Proportional to 5,630.22, 7,766.69 and 3,393

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Solution

The fourth proportional to 5,630.22, 7,766.69 and 3,393 is: 4,680.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.22 : 7,766.69 = 3,393 : x
  2. Step 2: Convert to fraction form
    5,630.22/7,766.69 = 3,393/x
  3. Step 3: Cross multiply
    5,630.22x = 7,766.69 × 3,393
  4. Step 4: Simplify right side
    5,630.22x = 26,352,362.21
  5. Step 5: Solve for x
    x = 26,352,362.21/5,630.22
  6. Step 6: Final answer
    x = 4,680.52

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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.