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Finding the Fourth Proportional to 5,820.82, 8,032.82 and 3,168.26

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Solution

The fourth proportional to 5,820.82, 8,032.82 and 3,168.26 is: 4,372.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.82 : 8,032.82 = 3,168.26 : x
  2. Step 2: Convert to fraction form
    5,820.82/8,032.82 = 3,168.26/x
  3. Step 3: Cross multiply
    5,820.82x = 8,032.82 × 3,168.26
  4. Step 4: Simplify right side
    5,820.82x = 25,450,062.29
  5. Step 5: Solve for x
    x = 25,450,062.29/5,820.82
  6. Step 6: Final answer
    x = 4,372.25

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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.