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Finding the Fourth Proportional to 6,682, 9,221.18 and 4,029.52

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Solution

The fourth proportional to 6,682, 9,221.18 and 4,029.52 is: 5,560.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,682 : 9,221.18 = 4,029.52 : x
  2. Step 2: Convert to fraction form
    6,682/9,221.18 = 4,029.52/x
  3. Step 3: Cross multiply
    6,682x = 9,221.18 × 4,029.52
  4. Step 4: Simplify right side
    6,682x = 37,156,929.23
  5. Step 5: Solve for x
    x = 37,156,929.23/6,682
  6. Step 6: Final answer
    x = 5,560.75

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1.5x scale

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.