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Finding the Fourth Proportional to 5,567.20, 8,301.67 and 5,517.21

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Solution

The fourth proportional to 5,567.20, 8,301.67 and 5,517.21 is: 8,227.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,567.20 : 8,301.67 = 5,517.21 : x
  2. Step 2: Convert to fraction form
    5,567.20/8,301.67 = 5,517.21/x
  3. Step 3: Cross multiply
    5,567.20x = 8,301.67 × 5,517.21
  4. Step 4: Simplify right side
    5,567.20x = 45,802,001.44
  5. Step 5: Solve for x
    x = 45,802,001.44/5,567.20
  6. Step 6: Final answer
    x = 8,227.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.