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Finding the Fourth Proportional to 3,559.99, 5,340.95 and 3,217.27

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Solution

The fourth proportional to 3,559.99, 5,340.95 and 3,217.27 is: 4,826.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.99 : 5,340.95 = 3,217.27 : x
  2. Step 2: Convert to fraction form
    3,559.99/5,340.95 = 3,217.27/x
  3. Step 3: Cross multiply
    3,559.99x = 5,340.95 × 3,217.27
  4. Step 4: Simplify right side
    3,559.99x = 17,183,262.12
  5. Step 5: Solve for x
    x = 17,183,262.12/3,559.99
  6. Step 6: Final answer
    x = 4,826.77

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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.