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Finding the Fourth Proportional to 5,579.96, 8,364.12 and 2,616.88

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Solution

The fourth proportional to 5,579.96, 8,364.12 and 2,616.88 is: 3,922.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.96 : 8,364.12 = 2,616.88 : x
  2. Step 2: Convert to fraction form
    5,579.96/8,364.12 = 2,616.88/x
  3. Step 3: Cross multiply
    5,579.96x = 8,364.12 × 2,616.88
  4. Step 4: Simplify right side
    5,579.96x = 21,887,898.35
  5. Step 5: Solve for x
    x = 21,887,898.35/5,579.96
  6. Step 6: Final answer
    x = 3,922.59

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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.