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Finding the Fourth Proportional to 6,283.74, 8,672.22 and 3,489.24

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Solution

The fourth proportional to 6,283.74, 8,672.22 and 3,489.24 is: 4,815.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,283.74 : 8,672.22 = 3,489.24 : x
  2. Step 2: Convert to fraction form
    6,283.74/8,672.22 = 3,489.24/x
  3. Step 3: Cross multiply
    6,283.74x = 8,672.22 × 3,489.24
  4. Step 4: Simplify right side
    6,283.74x = 30,259,456.91
  5. Step 5: Solve for x
    x = 30,259,456.91/6,283.74
  6. Step 6: Final answer
    x = 4,815.52

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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.