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Finding the Fourth Proportional to 3,579.06, 5,372.91 and 2,409.42

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Solution

The fourth proportional to 3,579.06, 5,372.91 and 2,409.42 is: 3,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.06 : 5,372.91 = 2,409.42 : x
  2. Step 2: Convert to fraction form
    3,579.06/5,372.91 = 2,409.42/x
  3. Step 3: Cross multiply
    3,579.06x = 5,372.91 × 2,409.42
  4. Step 4: Simplify right side
    3,579.06x = 12,945,596.81
  5. Step 5: Solve for x
    x = 12,945,596.81/3,579.06
  6. Step 6: Final answer
    x = 3,617.04

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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.