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Finding the Fourth Proportional to 5,958.64, 8,221.62 and 3,600.28

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Solution

The fourth proportional to 5,958.64, 8,221.62 and 3,600.28 is: 4,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,958.64 : 8,221.62 = 3,600.28 : x
  2. Step 2: Convert to fraction form
    5,958.64/8,221.62 = 3,600.28/x
  3. Step 3: Cross multiply
    5,958.64x = 8,221.62 × 3,600.28
  4. Step 4: Simplify right side
    5,958.64x = 29,600,134.05
  5. Step 5: Solve for x
    x = 29,600,134.05/5,958.64
  6. Step 6: Final answer
    x = 4,967.60

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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.