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Finding the Fourth Proportional to 5,539.96, 8,297.73 and 4,579.21

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Solution

The fourth proportional to 5,539.96, 8,297.73 and 4,579.21 is: 6,858.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.96 : 8,297.73 = 4,579.21 : x
  2. Step 2: Convert to fraction form
    5,539.96/8,297.73 = 4,579.21/x
  3. Step 3: Cross multiply
    5,539.96x = 8,297.73 × 4,579.21
  4. Step 4: Simplify right side
    5,539.96x = 37,997,086.13
  5. Step 5: Solve for x
    x = 37,997,086.13/5,539.96
  6. Step 6: Final answer
    x = 6,858.72

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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.