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Finding the Fourth Proportional to 5,929.54, 8,183.72 and 3,539.64

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Solution

The fourth proportional to 5,929.54, 8,183.72 and 3,539.64 is: 4,885.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.54 : 8,183.72 = 3,539.64 : x
  2. Step 2: Convert to fraction form
    5,929.54/8,183.72 = 3,539.64/x
  3. Step 3: Cross multiply
    5,929.54x = 8,183.72 × 3,539.64
  4. Step 4: Simplify right side
    5,929.54x = 28,967,422.66
  5. Step 5: Solve for x
    x = 28,967,422.66/5,929.54
  6. Step 6: Final answer
    x = 4,885.27

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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.