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Finding the Fourth Proportional to 5,609.82, 8,414.75 and 1,714.21

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Solution

The fourth proportional to 5,609.82, 8,414.75 and 1,714.21 is: 2,571.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.82 : 8,414.75 = 1,714.21 : x
  2. Step 2: Convert to fraction form
    5,609.82/8,414.75 = 1,714.21/x
  3. Step 3: Cross multiply
    5,609.82x = 8,414.75 × 1,714.21
  4. Step 4: Simplify right side
    5,609.82x = 14,424,648.60
  5. Step 5: Solve for x
    x = 14,424,648.60/5,609.82
  6. Step 6: Final answer
    x = 2,571.32

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Similar ratio
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1.5x scale

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.