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Finding the Fourth Proportional to 3,465.52, 5,198.99 and 1,274.27

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Solution

The fourth proportional to 3,465.52, 5,198.99 and 1,274.27 is: 1,911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.52 : 5,198.99 = 1,274.27 : x
  2. Step 2: Convert to fraction form
    3,465.52/5,198.99 = 1,274.27/x
  3. Step 3: Cross multiply
    3,465.52x = 5,198.99 × 1,274.27
  4. Step 4: Simplify right side
    3,465.52x = 6,624,884.62
  5. Step 5: Solve for x
    x = 6,624,884.62/3,465.52
  6. Step 6: Final answer
    x = 1,911.66

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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.