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Finding the Fourth Proportional to 3,995.92, 5,997.72 and 3,744.40

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Solution

The fourth proportional to 3,995.92, 5,997.72 and 3,744.40 is: 5,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.92 : 5,997.72 = 3,744.40 : x
  2. Step 2: Convert to fraction form
    3,995.92/5,997.72 = 3,744.40/x
  3. Step 3: Cross multiply
    3,995.92x = 5,997.72 × 3,744.40
  4. Step 4: Simplify right side
    3,995.92x = 22,457,862.77
  5. Step 5: Solve for x
    x = 22,457,862.77/3,995.92
  6. Step 6: Final answer
    x = 5,620.20

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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.