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Finding the Fourth Proportional to 2,658.24, 3,988.98 and 2,496.24

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Solution

The fourth proportional to 2,658.24, 3,988.98 and 2,496.24 is: 3,745.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658.24 : 3,988.98 = 2,496.24 : x
  2. Step 2: Convert to fraction form
    2,658.24/3,988.98 = 2,496.24/x
  3. Step 3: Cross multiply
    2,658.24x = 3,988.98 × 2,496.24
  4. Step 4: Simplify right side
    2,658.24x = 9,957,451.44
  5. Step 5: Solve for x
    x = 9,957,451.44/2,658.24
  6. Step 6: Final answer
    x = 3,745.88

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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.