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Finding the Fourth Proportional to 3,933.24, 5,895 and 2,630.76

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Solution

The fourth proportional to 3,933.24, 5,895 and 2,630.76 is: 3,942.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.24 : 5,895 = 2,630.76 : x
  2. Step 2: Convert to fraction form
    3,933.24/5,895 = 2,630.76/x
  3. Step 3: Cross multiply
    3,933.24x = 5,895 × 2,630.76
  4. Step 4: Simplify right side
    3,933.24x = 15,508,330.20
  5. Step 5: Solve for x
    x = 15,508,330.20/3,933.24
  6. Step 6: Final answer
    x = 3,942.89

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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.