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Finding the Fourth Proportional to 3,950.52, 5,446.64 and 3,239.80

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Solution

The fourth proportional to 3,950.52, 5,446.64 and 3,239.80 is: 4,466.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.52 : 5,446.64 = 3,239.80 : x
  2. Step 2: Convert to fraction form
    3,950.52/5,446.64 = 3,239.80/x
  3. Step 3: Cross multiply
    3,950.52x = 5,446.64 × 3,239.80
  4. Step 4: Simplify right side
    3,950.52x = 17,646,024.27
  5. Step 5: Solve for x
    x = 17,646,024.27/3,950.52
  6. Step 6: Final answer
    x = 4,466.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.