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Finding the Fourth Proportional to 5,579.37, 8,369.84 and 1,630.92

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Solution

The fourth proportional to 5,579.37, 8,369.84 and 1,630.92 is: 2,446.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.37 : 8,369.84 = 1,630.92 : x
  2. Step 2: Convert to fraction form
    5,579.37/8,369.84 = 1,630.92/x
  3. Step 3: Cross multiply
    5,579.37x = 8,369.84 × 1,630.92
  4. Step 4: Simplify right side
    5,579.37x = 13,650,539.45
  5. Step 5: Solve for x
    x = 13,650,539.45/5,579.37
  6. Step 6: Final answer
    x = 2,446.61

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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.