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Finding the Fourth Proportional to 3,992.52, 5,510.52 and 2,668.44

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Solution

The fourth proportional to 3,992.52, 5,510.52 and 2,668.44 is: 3,683.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.52 : 5,510.52 = 2,668.44 : x
  2. Step 2: Convert to fraction form
    3,992.52/5,510.52 = 2,668.44/x
  3. Step 3: Cross multiply
    3,992.52x = 5,510.52 × 2,668.44
  4. Step 4: Simplify right side
    3,992.52x = 14,704,491.99
  5. Step 5: Solve for x
    x = 14,704,491.99/3,992.52
  6. Step 6: Final answer
    x = 3,683.01

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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.